Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Professor's Warning

B · Instant

Choose one — • Put a +1/+1 counter on target creature. • Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Similar cards

Color identity:
NameManaTypeText
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Paperfin Rascal 2UCreature — Merfolk Rogue When Paperfin Rascal enters the battlefield, clash with an opponent. If you win, put a +1/+1 counter on Paperfin Rascal. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) 2/2
Springjack Knight 2WCreature — Kithkin Knight Whenever Springjack Knight attacks, clash with an opponent. If you win, target creature gains double strike until end of turn. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) 2/1
Baleful Ammit 2BCreature — Crocodile Demon Lifelink When Baleful Ammit enters the battlefield, put a -1/-1 counter on target creature you control. 4/3
Celestial Ancient 3WWCreature — Elemental Flying Whenever you cast an enchantment spell, put a +1/+1 counter on each creature you control. 3/3
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