Card Codex

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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
Show of Valor 1WInstant Target creature gets +2/+4 until end of turn.
Titanic Growth 1GInstant Target creature gets +4/+4 until end of turn.
Tower of Champions 4Artifact {8}, {T}: Target creature gets +6/+6 until end of turn.
Untamed Might XGInstant Target creature gets +X/+X until end of turn.
Wax GInstant Target creature gets +2/+2 until end of turn.
Wielding the Green Dragon 1GSorcery Target creature gets +4/+4 until end of turn.
Mammoth Growth 2GInstant Target creature gets +4/+4 until end of turn. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Ravenous Slime 2GCreature — Ooze Ravenous Slime can't be blocked by creatures with power 2 or less. If a creature an opponent controls would die, instead exile it and put a number of +1/+1 counters equal to that creature's power on Ravenous Slime. 1/1
Shizo, Death's Storehouse Legendary Land {T}: Add {B}. {B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)
Timbermaw Larva 3GCreature — Beast Whenever Timbermaw Larva attacks, it gets +1/+1 until end of turn for each Forest you control. 2/2
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