{T}: Add {W} or {U}. {W}{U}: This artifact becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

{T}: Add {R} or {W}. {R}{W}: This artifact becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn. (It deals both first-strike and regular combat damage.)

{X}{1}: This artifact becomes an X/X Construct artifact creature. Sacrifice it at the beginning of the next end step.

Whenever an opponent casts a nonartifact spell, put a charge counter on this artifact. Remove three charge counters from this artifact: This artifact becomes a 6/6 Construct artifact creature with trample until end of turn.

{0}: Tap all lands you control. This artifact becomes a 3/3 Turtle artifact creature until end of turn.

This artifact enters with X charge counters on it. {1}: Until end of turn, this artifact becomes a Construct artifact creature with "This creature's power and toughness are each equal to the number of charge counters on it."

{2}: Until end of turn, this artifact becomes a 2/1 Construct artifact creature with flying. {2}: Until end of turn, this artifact becomes a 3/2 Construct artifact creature and loses flying.

{X}: This artifact becomes an X/X Construct artifact creature until end of turn.

{T}: Add {U}. {1}{U}: This artifact becomes a 1/2 blue Atog artifact creature until end of turn. {0}: This creature gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn and only if this permanent is a creature.

Indestructible (Damage and effects that say "destroy" don't destroy this artifact.) {3}: This artifact becomes a 2/2 Beast artifact creature until end of turn.

{T}: Add {U} or {B}. {U}{B}: This artifact becomes a 2/2 blue and black Horror artifact creature until end of turn and can't be blocked this turn.

Flash {T}, Sacrifice this artifact: Add one mana of any color. {3}: This artifact becomes a Shapeshifter artifact creature with base power and toughness 5/5 until end of turn.

{3}: This artifact becomes a 1/5 Spirit artifact creature with flying until end of turn. (Equipment that's a creature can't equip a creature.) Equipped creature gets +1/+5. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

When this artifact enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.) Whenever another artifact you control enters, this artifact becomes a 4/4 Phyrexian Eye artifact creature until end of turn.

Trample, haste When this Vehicle enters, it becomes an artifact creature until end of turn. Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

{T}: Add {R}. {4}{R}: This artifact becomes a 4/4 red Giant artifact creature with trample until end of turn. As long as this artifact is a creature, it can block an additional creature each combat.

{T}: Add one mana of any color. {3}: This artifact becomes a 3/3 Dinosaur artifact creature until end of turn.

Whenever another artifact you control enters, you may have this artifact become a 2/2 Bird artifact creature with flying until end of turn. {W}: This artifact becomes a 2/2 Bird artifact creature with flying until end of turn.

{T}: Add {B} or {G}. {B}{G}: This artifact becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.

{T}: Add {R} or {G}. {R}{G}: This artifact becomes a 3/2 red and green Beast artifact creature with trample until end of turn.

Creatures you control have trample. {1}{R}{G}: This artifact becomes a 4/4 Juggernaut artifact creature until end of turn.

This artifact enters tapped. {T}: Add {C}. {2}: This artifact becomes a 2/2 Golem artifact creature until end of turn.

Equipped creature gets +4/+4. {0}: Until end of turn, this permanent becomes a 4/4 Spirit artifact creature that's no longer an Equipment. Activate only if you control no creatures. Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {W} or {B}. {T}, Pay 1 life: Add {G}, {U}, or {R}. {7}: Put seven +1/+1 counters on this artifact. It becomes a 0/0 Spirit creature in addition to its other types. Activate only once.

{T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals combat damage to a player, you may draw a card. If you do, discard a card.

{2}: This artifact becomes a 3/6 Golem artifact creature until end of combat. Activate only during combat.

Flying Whenever you cast a noncreature spell, put a +1/+1 counter on this artifact. {2}: This artifact becomes a 1/1 Construct artifact creature until end of turn.

{T}, Sacrifice this artifact: Add one mana of any color. {2}: This artifact becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of turn.

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

{T}: Add {W} or {B}. {W}{B}: This artifact becomes a 1/4 white and black Thrull artifact creature with lifelink until end of turn.

{T}: Add {B}. {2}{B}: This artifact becomes a 5/5 black Phyrexian Horror artifact creature with trample until end of turn. Whenever this permanent is dealt damage, if it's a creature, sacrifice that many permanents.

{T}: Add {B} or {R}. {B}{R}: This artifact becomes a 3/1 black and red Devil artifact creature with first strike until end of turn.

Metalcraft — This artifact is a 5/5 Golem artifact creature as long as you control three or more artifacts.

{T}: Add {G} or {W}. {G}{W}: This artifact becomes a 3/3 green and white Wolf artifact creature until end of turn.

{T}: Add {G} or {U}. {G}{U}: This artifact becomes a 2/3 green and blue Crab artifact creature with hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)

{2}: This artifact becomes a 4/4 green Bear artifact creature until end of turn.

{T}: Add {W}. {1}{W}{W}: This artifact becomes a 2/2 white Spirit artifact creature with flying and first strike until end of turn.

This artifact enters tapped. {T}: Add {C}. During turns other than yours, this artifact is a 2/3 Gargoyle artifact creature with flying.

{T}: Add {G}. {2}{G}{G}{G}: This artifact becomes a 5/3 green Treefolk artifact creature with trample until end of turn. When this artifact is put into a graveyard from the battlefield, if it was a creature, return this card to its owner's hand.

When this enchantment enters, if you cast it, destroy all nonenchantment creatures. Whenever this enchantment or another enchantment you control enters, until end of turn, this enchantment becomes a legendary 6/6 Nightmare God creature with menace and deathtouch. It's still an enchantment.

Each land gets +2/+2 as long as it's a creature.

Enchant land {2}: Enchanted land becomes a legendary 8/12 Spirit creature with trample until end of turn. It's still a land. When enchanted land is put into a graveyard, you may return Genju of the Realm from your graveyard to your hand.

When an opponent casts an artifact spell, if this permanent is an enchantment, it becomes a 5/3 Soldier creature with trample.

Pay half your life, rounded up: This enchantment becomes a 4/4 Phyrexian Horror creature with flying.

Whenever you cast a noncreature spell, put a lore counter on this enchantment. {2}{W}: Put a lore counter on this enchantment. {W}: Until end of turn, this enchantment becomes a Monk Avatar creature in addition to its other types and gains "This creature's power and toughness are each equal to the number of lore counters on it."

Whenever an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/4 Soldier creature. {0}: This permanent becomes an enchantment.

When an opponent casts a creature spell, if this permanent is an enchantment, it becomes a 2/2 Gargoyle creature with flying.

At the beginning of each opponent's upkeep, that player reveals the top card of their library. If it's a creature card, the player puts the card into their graveyard and this enchantment becomes a copy of that card. (If it does, it loses this ability.)

When this enchantment enters, draw a card, then you may put a land card from your hand onto the battlefield. If you put a Cave onto the battlefield this way, you gain 4 life. Lands you control enter untapped.

{G}{G}: This enchantment becomes a 4/3 Centaur creature in addition to its other types until end of turn.

All lands have indestructible.

{X}: This enchantment becomes an X/X Wall creature with defender in addition to its other types until end of turn.

{T}: Add {C}. {1}: This land becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land. {1}, {T}: Target Blinkmoth creature gets +1/+1 until end of turn.

{T}: Add {C}. Disguise {3} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.) When this land is turned face up, add two mana of any one color. Until end of turn, you don't lose this mana as steps and phases end.

This land enters tapped. {T}: Add one mana of any type that a land you control could produce. {3}: Until end of turn, this land becomes an X/X green Plant creature with reach, where X is the greatest mana value among your commanders. It's still a land.

If you control two or more other lands, this land enters tapped. {T}: Add {W}. {4}{W}: This land becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land.

This land enters tapped. {T}: Add {W} or {U}. {3}{W}{U}: Until end of turn, this land becomes a 4/4 white and blue Elemental creature with flying and vigilance. It's still a land.

{T}: Add {C}. {4}: Put two +1/+1 counters on this land. Then you may have it become a 0/0 Elemental creature until end of turn. It's still a land.

This land enters tapped. {T}: Add {U} or {B}. {1}{U}{B}: This land becomes a 3/2 blue and black Elemental creature until end of turn and can't be blocked this turn. It's still a land.

If you control two or more other lands, this land enters tapped. {T}: Add {R}. {3}{R}: Until end of turn, this land becomes a 3/2 red Goblin creature with "Whenever this creature attacks, create a 1/1 red Goblin creature token that's tapped and attacking." It's still a land.

{T}: Add {C}. {4}: This land becomes a 4/2 Golem artifact creature until end of turn. It's still a land.

This land enters tapped. {T}: Add {U}. {1}{U}: This land becomes a 2/1 blue Faerie creature with flying until end of turn. It's still a land.

Forbidding Watchtower enters tapped. {T}: Add {W}. {1}{W}: Forbidding Watchtower becomes a 1/5 white Soldier creature until end of turn. It's still a land.

This land enters tapped. {T}: Add {R}. {1}{R}: This land becomes a 2/1 red Warrior creature with first strike until end of turn. It's still a land. (It deals combat damage before creatures without first strike.)

If you control two or more other lands, this land enters tapped. {T}: Add {U}. {5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

This land enters tapped. {T}: Add {B} or {G}. {1}{B}{G}: This land becomes a 2/2 black and green Elemental creature with deathtouch until end of turn. It's still a land.

If you control two or more other lands, this land enters tapped. {T}: Add {B}. {3}{B}: Until end of turn, this land becomes a 3/3 black Beholder creature with menace and "Whenever this creature attacks, exile target card from defending player's graveyard." It's still a land.

{T}: Add {C}. {1}: This land becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

If you control two or more other lands, this land enters tapped. {T}: Add {G}. {X}{G}: Until end of turn, this land becomes an X/X green Hydra creature. It's still a land. X can't be 0.

This land enters tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, this land becomes a 2/2 black and red Elemental creature with "{X}: This creature gets +X/+0 until end of turn." It's still a land.

This land enters tapped. {T}: Add {G} or {U}. {2}{G}{U}: This land becomes a 3/3 green and blue Elemental creature with hexproof until end of turn. It's still a land.

{T}: Add {C}. {1}: This land becomes a 2/2 creature with all creature types until end of turn. It's still a land.

This land enters tapped. {T}: Add {R} or {W}. {2}{R}{W}: This land becomes a 2/1 red and white Elemental creature with double strike until end of turn. It's still a land.

This land enters tapped. {T}: Add {R} or {G}. {2}{R}{G}: Until end of turn, this land becomes a 3/3 red and green Elemental creature with "Whenever this creature attacks, put a +1/+1 counter on it." It's still a land.

This land enters tapped. {T}: Add {W} or {U}. {1}{W}{U}: Until end of turn, this land becomes a 2/3 white and blue Bird creature with flying. It's still a land. Whenever this land attacks, create a Map token.

This land enters tapped. {T}: Add {R} or {W}. {1}{R}{W}: This land becomes a 2/2 red and white Ox creature until end of turn. It's still a land. Whenever this land attacks, put a +1/+1 counter on target creature you control.

This land enters tapped. {T}: Add {B} or {G}. {2}{B}{G}: This land becomes a 4/4 black and green Horror creature until end of turn. It's still a land. Whenever this land attacks, create a Food token and exile up to one target card from a graveyard.

This land enters tapped. {T}: Add {W} or {B}. {2}{W}{B}: This land becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land. Whenever this land attacks, defending player loses 2 life and you gain 2 life.

This land enters tapped. {T}: Add {G} or {W}. {2}{G}{W}: This land becomes a 3/3 green and white Llama creature until end of turn. It's still a land. Whenever this land attacks, other creatures you control get +1/+1 until end of turn.

This land enters tapped. {T}: Add {U} or {B}. {2}{U}{B}: Until end of turn, this land becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land. Whenever this land attacks, target player mills four cards.

This land enters tapped. {T}: Add {R} or {G}. {2}{R}{G}: This land becomes a 3/4 red and green Dinosaur creature until end of turn. It's still a land. Whenever this land attacks, another target attacking creature gets +2/+0 until end of turn. Untap that creature.

This land enters tapped. {T}: Add {U} or {R}. {U}{R}: Until end of turn, this land becomes a 2/1 blue and red Elemental creature with "During your turn, this creature has first strike." It's still a land. Whenever this land attacks, scry 1.

This land enters tapped. {T}: Add {B} or {R}. {1}{B}{R}: Until end of turn, this land becomes a 2/3 black and red Insect creature with menace. It's still a land. Whenever this land attacks, you may discard a card. If you do, draw a card.

This land enters tapped. {T}: Add {G} or {U}. {3}{G}{U}: Until end of turn, this land becomes a 5/5 green and blue Plant creature with trample. It's still a land. Whenever this land attacks, up to one other target creature has base power and toughness 3/3 until end of turn.

This land enters tapped. {T}: Add {W} or {B}. {1}{W}{B}: This land becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land.

{T}: Add {C}. {4}: This land becomes a 3/3 creature with vigilance and all creature types. It's still a land.

This land enters tapped. {T}: Add {B}. {1}{B}: This land becomes a 1/1 black Skeleton creature with "{B}: Regenerate this creature" until end of turn. It's still a land. (If it regenerates, the next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

This land enters tapped. {T}: Add {G} or {W}. {1}{G}{W}: Until end of turn, this land becomes a 3/4 green and white Elemental creature with reach. It's still a land.

This land enters tapped. {T}: Add {G}. {1}{G}: This land becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Destroy all nonland creatures. Awaken 4—{5}{W}{W}{W} (If you cast this spell for {5}{W}{W}{W}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Choose target land. Create three tokens that are copies of it, except they're 3/3 creatures in addition to their other types and they have vigilance and menace. (They're affected by summoning sickness.)