Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Biomass Mutation

XG/UG/U · Instant

Creatures you control have base power and toughness X/X until end of turn.

Similar cards

Color identity:
NameManaTypeText
Violent Outburst 1RGInstant Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Creatures you control get +1/+0 until end of turn.
Lumbering Laundry 5Artifact Creature — Golem {2}: Until end of turn, you may look at face-down creatures you don't control any time. Disguise {5} (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.) 4/5
Great Teacher's Decree 3WSorcery Creatures you control get +2/+1 until end of turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)
Strength of Night 2GInstant Kicker {B} (You may pay an additional {B} as you cast this spell.) Creatures you control get +1/+1 until end of turn. If this spell was kicked, Zombie creatures you control get an additional +2/+2 until end of turn.
Cliffside Lookout WCreature — Kor Scout Ally {4}{W}: Creatures you control get +1/+1 until end of turn. 1/1
Impelled Giant 4RRCreature — Giant Warrior Trample Tap an untapped red creature you control other than Impelled Giant: Impelled Giant gets +X/+0 until end of turn, where X is the power of the creature tapped this way. 3/3
On the Job 2WWInstant Creatures you control get +2/+1 until end of turn. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Pestilence Rats 2BCreature — Rat Pestilence Rats's power is equal to the number of other Rats on the battlefield. (For example, as long as there are two other Rats on the battlefield, Pestilence Rats's power and toughness are 2/3.) */3
Nature's Way 1GSorcery Target creature you control gains vigilance and trample until end of turn. It deals damage equal to its power to target creature you don't control.
Grisly Spectacle 2BBInstant Destroy target nonartifact creature. Its controller mills cards equal to that creature's power.
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