Choose a nonlegendary creature on the battlefield. Target creature becomes a copy of that creature until end of turn.

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

This artifact enters with a +1/+1 counter, a flying counter, a deathtouch counter, and a shield counter on it. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Whenever a creature you control enters, you may move a counter from this artifact onto that creature. {2}, Sacrifice this artifact: Draw a card.

Move any number of +1/+1 counters from target creature onto another target creature with the same controller.

{1}{G}, {T}: This turn, each creature you control enters with an additional +1/+1 counter on it. {1}{U}, {T}: Move a +1/+1 counter from target creature you control onto another target creature you control.

Whenever a creature you control with power 2 or less enters, you get an experience counter. At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.

Trample When this creature enters, you may remove any number of +1/+1 counters from among creatures you control. If you do, put twice that many +1/+1 counters on this creature.

Whenever you draw a card, put a +1/+1 counter on this creature.

Each other creature you control enters with a number of additional +1/+1 counters on it equal to this creature's power and as a Mutant in addition to its other types.

The next spell you cast this turn can be cast as though it had flash. When you next cast a spell this turn, put X +1/+1 counters on up to one target creature, where X is the mana value of that spell.

{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.

({G/U} can be paid with either {G} or {U}.) {1}{G}: Move a +1/+1 counter from target creature onto another target creature with the same controller. {1}{U}: Attach target Aura attached to a permanent to another permanent with the same controller.

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

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

When Ezuri enters, you may pay {3}. If you do, proliferate twice. Whenever you proliferate, draw a card.

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 a +1/+1 counter is put on this creature, you may draw a card.

{2}{G}{U}: Draw a card. You may put a land card from your hand onto the battlefield.

Whenever a Frog you control attacks, mill three cards. Whenever a permanent card is put into your graveyard from your library, exile it with a croak counter on it. You may play lands and cast spells from among cards you own in exile with croak counters on them.

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample This creature enters with X +1/+1 counters on it.

Whenever another nontoken creature you control enters, investigate. {T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand.

{3}{G}: Put a +1/+1 counter on target creature. {2}{U}, Remove a +1/+1 counter from a creature you control: Draw a card.

Whenever you cast a spell with mana value 5 or greater, draw a card.

Draw three cards. You may play an additional land this turn.

{G}{U}: This turn, each creature you control enters with an additional +1/+1 counter on it. {G}{U}, Remove a +1/+1 counter from a creature you control: Draw a card.

This creature can't be blocked. 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.)

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

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

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

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

({T}: Add {G}.)

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

({T}: Add {U}.)

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

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

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. When this land enters, you gain 1 life. {T}: Add {G} or {U}.

As this land enters, you may reveal a Forest or Island card from your hand. If you don't, this land enters tapped. {T}: Add {G} or {U}.

{T}, Pay 1 life: Add {G} or {U}. {1}, {T}, Sacrifice this land: Draw a card.

{2}{G/U}, {Q}: Double the number of each kind of counter on target permanent. ({Q} is the untap symbol.)

Flying When this creature enters, put a +1/+1 counter on target creature you control. {3}{G}{U}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying, trample When Roalesk enters, put two +1/+1 counters on another target creature you control. When Roalesk dies, proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.) {2}: Target creature with a +1/+1 counter on it gains shroud until end of turn. (It can't be the target of spells or abilities.)

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

Arixmethes enters tapped with five slumber counters on it. As long as Arixmethes has a slumber counter on it, it's a land. (It's not a creature.) Whenever you cast a spell, you may remove a slumber counter from Arixmethes. {T}: Add {G}{U}.

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it.

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.

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

{T}: Add {G}{U}.

Flying {T}: Add {G} or {U}.

{T}: Add {G} or {U}. {G}{U}, {T}, Sacrifice this artifact: Draw a card.

{1}, {T}: Add {G}{U}.

Choose one or both — • Target creature gets +1/+1 until end of turn. • Return target creature to its owner's hand.

Choose one — • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) • Counter target noncreature spell unless its controller pays {3}.

Flash When this creature enters, you may counter target spell.

Flying Scavenge the Dead — When this creature enters, exile target player's graveyard. Put a +1/+1 counter on this creature for each creature card exiled this way.

Flash When this creature enters, counter target spell.

{T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Exile all creatures. Each player creates a 0/0 green and blue Fractal creature token and puts a number of +1/+1 counters on it equal to the total power of creatures they controlled that were exiled this way.

Counter target spell. At the beginning of your next first main phase, add X mana in any combination of colors, where X is that spell's mana value.

Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.

{2}{G}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on this creature, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Until end of turn, target creature loses all abilities and becomes a green Snake with base power and toughness 1/1. Draw a card.

Put target permanent on top of its owner's library.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, you may tap or untap target creature.