{T}: Add {C}. {T}, Sacrifice this land: Search your library for a basic Forest, Island, or Mountain card, put it onto the battlefield tapped, then shuffle. Cycling {G}{U}{R} ({G}{U}{R}, Discard this card: Draw a card.)

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

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

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

{T}: Add {C}. {R/G}, {T}: Add {R}{R}, {R}{G}, or {G}{G}.

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

This land enters tapped. {T}: Add {G}, {U}, or {R}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{G}.

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

({T}: Add {R}.)

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

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.)

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

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

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {G}{U}.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {G}.

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {G} or {U}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

When you cast this spell, you may return target creature card from your graveyard to the battlefield. Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Target creature you control deals damage equal to its power to each other creature and each opponent.

Counter target spell.

Ravenous (This creature enters with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Bio-plasmic Barrage — When this creature enters, it deals X damage to each player and each other creature.

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.) Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Counter target noncreature spell.

Counter target noncreature spell unless its controller pays {1}. Ferocious — If you control a creature with power 4 or greater, counter that spell instead.

When you cast this spell, exile two target permanents. Indestructible Whenever Ulamog attacks, defending player exiles the top twenty cards of their library.

Benevolent Hydra enters with X +1/+1 counters on it. If one or more +1/+1 counters would be put on another creature you control, that many plus one +1/+1 counters are put on it instead. {T}, Remove a +1/+1 counter from Benevolent Hydra: Put a +1/+1 counter on another target creature you control.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, distribute two +1/+1 counters among up to two target creatures. Then if you're the monarch, double the number of +1/+1 counters on each creature you control.

Hideaway 5 (When this enchantment enters, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. Then if you control a creature with power 7 or greater, you may play the exiled card without paying its mana cost.

Whenever a player casts a spell, you may put a +1/+1 counter on this creature. At the beginning of your upkeep, you may move any number of +1/+1 counters from this creature onto other creatures.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

This creature enters with X +1/+1 counters on it. This creature can't be blocked by more than one creature. Whenever this creature is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

Enchant creature When this Aura enters, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature.

This creature enters with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on this creature. This creature has trample as long as it has ten or more +1/+1 counters on it.

Flying, haste This creature enters with X +1/+1 counters on it.

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on this enchantment. At the beginning of your upkeep, if this enchantment has twenty or more growth counters on it, you win the game.

Subterranean Assault — Whenever this creature attacks, put a +1/+1 counter on it and a +1/+1 counter on up to one other target attacking creature. That creature can't be blocked this turn.

{G}{U}, {T}: Double the number of each kind of counter on target artifact, creature, or land.

When this creature enters, double the number of each kind of counter on any number of target permanents.

Whenever you cast a creature spell, draw a card.

Whenever a creature you control with power 3 or greater enters, draw a card.

When you cast this spell, reveal the top X cards of your library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield. Then shuffle the rest into your library. This creature enters with X +1/+1 counters on it.

Draw a card for each creature you control with a +1/+1 counter on it. Those creatures gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Whenever an opponent casts a noncreature spell with mana value less than this creature's power, draw a card.

At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a +1/+1 counter on a creature you control.

Draw a card for each creature you control. Ferocious — You gain 4 life for each creature you control with power 4 or greater.

This spell costs {X} less to cast, where X is the greatest power among creatures you control. {T}: Add {G}{G}. You gain 2 life. Whenever a nontoken creature you control enters, put a +1/+1 counter on it and draw a card.

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.)

Proliferate, then choose any number of permanents you control that had a counter put on them this way. Those permanents phase out. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there. Treat phased-out permanents and anything attached to them as though they don't exist until their controller's next turn.)

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

Flash This spell can't be countered. Creature spells you control can't be countered. Other creatures you control have trample.

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.)

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

Haste {T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Flying {T}: Add one mana of any color.

{T}: For each color among permanents you control, add one mana of that color.

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

When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Trample As an additional cost to cast green permanent spells, you may pay 2 life. Those spells cost {G} less to cast if you paid life this way. This effect reduces only the amount of green mana you pay. Whenever you cast a green permanent spell, put a +1/+1 counter on each creature you control.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

{T}: Add {G}.

Vigilance, trample, haste This creature enters with X +1/+1 counters on it. When this creature dies, create a number of tapped Treasure tokens equal to its power.

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

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) {T}: Add {G} for each +1/+1 counter on this creature.

If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is this creature's power.

Whenever another creature enters, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control.

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