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
Darksteel Hydra XWBGArtifact Creature — Phyrexian Hydra Indestructible Darksteel Hydra enters the battlefield with X oil counters on it. Darksteel Hydra's power and toughness are each equal to twice the number of oil counters on it. When Darksteel Hydra enters the battlefield, conjure a card named Darksteel Ingot and a card named Darksteel Plate into your hand. */*
Vile Aggregate 2RCreature — Eldrazi Drone Devoid (This card has no color.) Vile Aggregate's power is equal to the number of colorless creatures you control. Trample Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.) */5
Old Man of the Sea 1UUCreature — Djinn You may choose not to untap Old Man of the Sea during your untap step. {T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power. 2/3
Yavimaya Kavu 2RGCreature — Kavu Yavimaya Kavu's power is equal to the number of red creatures on the battlefield. Yavimaya Kavu's toughness is equal to the number of green creatures on the battlefield. */*
Yew Spirit 4GCreature — Spirit Treefolk {2}{G}{G}: Yew Spirit gets +X/+X until end of turn, where X is its power. 3/3
Teyo, Aegis Adept 2WWLegendary Planeswalker — Teyo [+1]: Up to one target creature's base power perpetually becomes equal to its toughness. It perpetually gains "This creature can attack as though it didn't have defender." [−2]: Conjure a card named Lumbering Lightshield onto the battlefield. [−6]: You get an emblem with "At the beginning of your end step, return target white creature card from your graveyard to the battlefield. You gain life equal to its toughness." Loyalty 4
Selvala, Heart of the Wilds 1GGLegendary Creature — Elf Scout Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}: Add X mana in any combination of colors, where X is the greatest power among creatures you control. 2/3
Slimy Dualleech 3BCreature — Leech At the beginning of combat on your turn, target creature you control with power 2 or less gets +1/+0 and gains deathtouch until end of turn. 2/4
Phyrexian Fleshgorger 7Artifact Creature — Phyrexian Wurm Prototype {1}{B}{B} — 3/3 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Menace, lifelink Ward—Pay life equal to Phyrexian Fleshgorger's power. 7/5
Time Stop 4UUInstant End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)
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