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
Hostile Takeover 2UBRSorcery Up to one target creature has base power and toughness 1/1 until end of turn. Up to one other target creature has base power and toughness 4/4 until end of turn. Then Hostile Takeover deals 3 damage to each creature.
Circle of the Moon Druid 2GCreature — Human Elf Druid Bear Form — As long as it's your turn, Circle of the Moon Druid is a Bear with base power and toughness 4/2. (It loses all other creature types.) 2/4
Astroquarium 2UArtifact When Astroquarium enters the battlefield, you may put an art sticker on it. {1}, {T}: Until end of turn, target creature becomes a blue Shark with base power and toughness 4/4. If the cracks in Astroquarium's art are completely covered, that creature becomes a blue Octopus with base power and toughness 8/8 instead. Activate only as a sorcery.
Eldrazi Mimic 2Creature — Eldrazi Whenever another colorless creature enters the battlefield under your control, you may change Eldrazi Mimic's base power and toughness to that creature's power and toughness until end of turn. 2/1
Dragonshift 1URInstant Until end of turn, target creature you control becomes a blue and red Dragon with base power and toughness 4/4, loses all abilities, and gains flying. Overload {3}{U}{U}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Unnatural Growth 1GGGGEnchantment At the beginning of each combat, double the power and toughness of each creature you control until end of turn.
A-Tanazir Quandrix 3GULegendary Creature — Elder Dragon Flying, trample When Tanazir Quandrix enters the battlefield, double the number of +1/+1 counters on target creature you control. Whenever Tanazir Quandrix attacks, you may have the base power and toughness of other creatures you control become equal to Tanazir Quandrix's power and toughness until end of turn. 5/5
Gift of Tusks UInstant Until end of turn, target creature loses all abilities and becomes a green Elephant with base power and toughness 3/3.
Polymorphist's Jest 1UUInstant Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.
Tenth District Hero 1WCreature — Human {1}{W}, Collect evidence 2: Tenth District Hero becomes a Human Detective with base power and toughness 4/4 and gains vigilance. {2}{W}, Collect evidence 4: If Tenth District Hero is a Detective, it becomes a legendary creature named Mileva, the Stalwart, it has base power and toughness 5/5, and it gains "Other creatures you control have indestructible." 2/3
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