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At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.

Put a +1/+1 counter and a lifelink counter on target creature.

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

At the beginning of your upkeep, you may exile Cosima. If you do, it gains "Whenever a land enters the battlefield under your control, if Cosima is...

({T}: Add {B} or {R}.) Sulfurous Mire enters the battlefield tapped.

({T}: Add {R} or {G}.) Highland Forest enters the battlefield tapped.

{T}: Add {G}.

Whenever Howling Golem attacks or blocks, each player draws a card.

When Filigree Familiar enters the battlefield, you gain 2 life. When Filigree Familiar dies, draw a card.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Krang enters, if you have fewer than four cards in h...

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Vigilance Whenever Kitsune enters or deals combat damage to a player, you may exchange control of two other target creatures controlled by differen...

When Radiant Fountain enters the battlefield, you gain 2 life. {T}: Add {C}.

{T}: Put three +1/+1 counters on target artifact you control. If it isn't a creature, it becomes a 0/0 Robot creature in addition to its other type...

Whenever a creature you control deals combat damage to a player, you may draw a card. Cycling {2} ({2}, Discard this card: Draw a card.)

Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may cast it once from o...

Choose one — • Target creature gets -X/-X until end of turn. You gain X life. • Exile up to twice X target cards from graveyards.

Search your library for a blue instant card, reveal that card, and put it into your hand. Then shuffle your library.

Sneak {1}{U} (You may cast this spell for {1}{U} if you also return an unblocked attacker you control to hand during the declare blockers step. He ...

When this creature dies, it deals 1 damage to any target.

Sneak {1}{B} (You may cast this spell for {1}{B} if you also return an unblocked attacker you control to hand during the declare blockers step.) Se...

Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, create a 1/1 black Rat creature to...

(Gain the next level as a sorcery to add its ability.) Whenever a creature you control leaves the battlefield, each opponent loses 1 life. {1}{B}: ...