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
Mammoth Growth 2GInstant Target creature gets +4/+4 until end of turn. Foretell {G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Rootwater Matriarch 2UUCreature — Merfolk {T}: Gain control of target creature for as long as that creature is enchanted. 2/3
Iron Will WInstant Target creature gets +0/+4 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)
Gobbling Ooze 4GCreature — Ooze {G}, Sacrifice another creature: Put a +1/+1 counter on Gobbling Ooze. 3/3
Toothy, Imaginary Friend 3ULegendary Creature — Illusion Partner with Pir, Imaginative Rascal (When this creature enters the battlefield, target player may put Pir into their hand from their library, then shuffle.) Whenever you draw a card, put a +1/+1 counter on Toothy, Imaginary Friend. When Toothy leaves the battlefield, draw a card for each +1/+1 counter on it. 1/1
Strength in Numbers 1GInstant Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.
Press the Advantage 2GGInstant Up to two target creatures each get +2/+2 and gain trample until end of turn.
Spellgorger Weird 2RCreature — Weird Whenever you cast a noncreature spell, put a +1/+1 counter on Spellgorger Weird. 2/2
Riding the Dilu Horse 2GSorcery Target creature gets +2/+2 and gains horsemanship. (It can't be blocked except by creatures with horsemanship. This effect lasts indefinitely.)
Inti, Seneschal of the Sun 1RLegendary Creature — Human Knight Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn. Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step. 2/2
Page 188