({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {R} or {G}.) This land enters tapped unless you control two or more basic lands.

This land enters tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

{T}: Add one mana of any color in your commander's color identity.

This land enters tapped unless you control two or fewer other lands. {T}: Add {R} or {G}.

({T}: Add {G}.)

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

({T}: Add {U}.)

This land enters tapped unless you control a Plains or a Swamp. {T}: Add {W} or {B}.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

({T}: Add {R}.)

This land enters tapped. {T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

This land enters tapped. {T}: Add {G}. As long as you control six or more lands, lands you control have "{T}: Add one mana of any color." {W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice this land: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

Exile target nonland permanent. You lose 3 life.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Destroy target creature. A creature destroyed this way can't be regenerated. Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Tap target creature. Metalcraft — If you control three or more artifacts, exile that creature.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Destroy target artifact or creature. It can't be regenerated.

Flying, vigilance

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever this creature becomes blocked, it gets +2/+2 until end of turn.

When this creature enters, you may search your library for a Myr card, reveal it, put it into your hand, then shuffle.

Indestructible (Damage and effects that say "destroy" don't destroy this creature. If its toughness is 0 or less, it's still put into its owner's graveyard.)

Permanents you control gain hexproof and indestructible until end of turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)

Flash You may cast artifact spells as though they had flash.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

When this creature enters, create four 1/1 colorless Myr artifact creature tokens. Whenever this creature attacks, you may tap X untapped Myr you control. If you do, this creature gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

When this creature dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying. {1}{U}, Sacrifice two artifacts: Draw a card.

Choose a creature type. Draw a card for each permanent you control of that type.

Whenever you cast a historic spell, draw a card. (Artifacts, legendaries, and Sagas are historic.)

As this enchantment enters, choose a creature type. Whenever a creature you control of the chosen type enters or attacks, draw a card.

Prevent all combat damage that would be dealt to attacking artifact creatures you control. Whenever one or more artifact creatures you control enter, draw a card. This ability triggers only once each turn.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.

{2}, Sacrifice this creature: Draw a card.

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

{2}: This creature gains flying until end of turn. {2}, Sacrifice this creature: Draw a card.

Whenever a creature you control enters, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it.

{T}: Add one mana of any color.

Lands you control have "{T}: Add one mana of any color." {T}: Add one mana of any color.

{T}: Add {G}.

Creatures you control have "{T}: Add one mana of any color."

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Prototype {3}{R} — 2/2 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

{T}: Add {W}.

Draw a card. You may put a land card from your hand onto the battlefield.

As this artifact enters, choose a creature type. Creature spells you cast of the chosen type cost {1} less to cast. At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

{T}: Add {R}.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

{T}: Add {B}.

Creatures you control get +1/+1. Whenever you tap a land for mana, add one mana of any type that land produced.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.) {T}, Pay 2 life: Add one mana of any color.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

{T}: Add {C}{C}.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {U}.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Other Myr creatures you control get +1/+1. {1}, {T}: Untap each other Myr you control.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

Trample Tap an untapped artifact you control: This creature gets +1/+1 until end of turn.

Changeling (This card is every creature type.) {X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

When this creature dies, return another target artifact card from your graveyard to your hand.

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy. Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)