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
Repulsive Mutation XGUInstant Put X +1/+1 counters on target creature you control. Then counter up to one target spell unless its controller pays mana equal to the greatest power among creatures you control.
Windborne Charge 2WWSorcery Two target creatures you control each get +2/+2 and gain flying until end of turn.
Korozda Guildmage BGCreature — Elf Shaman {1}{B}{G}: Target creature gets +1/+1 and gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.) {2}{B}{G}, Sacrifice a nontoken creature: Create X 1/1 green Saproling creature tokens, where X is the sacrificed creature's toughness. 2/2
Downsize UInstant Target creature you don't control gets -4/-0 until end of turn. Overload {2}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Endling 2BBCreature — Zombie Shapeshifter {B}: Endling gains menace until end of turn. {B}: Endling gains deathtouch until end of turn. {B}: Endling gains undying until end of turn. (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.) {1}: Endling gets +1/-1 or -1/+1 until end of turn. 3/3
Ghost Tactician 4WCreature — Spirit Spellshaper {W}, {T}, Discard a card: Creatures you control get +1/+0 until end of turn. 2/5
Book of Mazarbul 2REnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Amass Orcs 1. (Put a +1/+1 counter on an Army you control. It's also an Orc. If you don't control an Army, create a 0/0 black Orc Army creature token first.) II — Amass Orcs 2. III — Creatures you control get +1/+0 and gain menace until end of turn.
Duelcraft Trainer 3WCreature — Human Soldier First strike Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, target creature you control gains double strike until end of turn. 3/3
Archangel Avacyn 3WWLegendary Creature — Angel Flash Flying, vigilance When Archangel Avacyn enters the battlefield, creatures you control gain indestructible until end of turn. When a non-Angel creature you control dies, transform Archangel Avacyn at the beginning of the next upkeep. 4/4
Steeling Stance 1WWInstant Creatures you control get +1/+1 until end of turn. Forecast — {W}, Reveal Steeling Stance from your hand: Target creature gets +1/+1 until end of turn. (Activate only during your upkeep and only once each turn.)
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