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
Obuun, Mul Daya Ancestor 1RGWLegendary Creature — Elf Spirit At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuun's power. It's still a land. Landfall — Whenever a land enters the battlefield under your control, put a +1/+1 counter on target creature. 3/3
Form a Posse XRWSorcery Create X 1/1 red Mercenary creature tokens with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."
Solar Blaze 2RWSorcery Each creature deals damage to itself equal to its power.
Wave of Reckoning 4WSorcery Each creature deals damage to itself equal to its power.
Warded Battlements 2WCreature — Wall Defender (This creature can't attack.) Attacking creatures you control get +1/+0. 0/3
Smuggler's Surprise GInstant Spree (Choose one or more additional costs.) + {2} — Mill four cards. You may put up to two creature and/or land cards from among the milled cards into your hand. + {4}{G} — You may put up to two creature cards from your hand onto the battlefield. + {1} — Creatures you control with power 4 or greater gain hexproof and indestructible until end of turn.
Stonewood Invocation 3GInstant Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Target creature gets +5/+5 and gains shroud until end of turn. (It can't be the target of spells or abilities.)
Lost in the Maze XUUEnchantment Flash When Lost in the Maze enters the battlefield, tap X target creatures. Put a stun counter on each of those creatures you don't control. (If a permanent with a stun counter would become untapped, remove one from it instead.) Tapped creatures you control have hexproof.
Blossoming Bogbeast 4GCreature — Beast Whenever Blossoming Bogbeast attacks, you gain 2 life. Then creatures you control gain trample and get +X/+X until end of turn, where X is the amount of life you gained this turn. 3/3
Charging Hooligan 3RCreature — Human Peasant Whenever Charging Hooligan attacks, it gets +1/+0 until end of turn for each attacking creature. If a Rat is attacking, Charging Hooligan gains trample until end of turn. 3/3
Page 247