Card Codex

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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
Ring of Thune 2Artifact — Equipment Equipped creature has vigilance. (Attacking doesn't cause it to tap.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's white. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Dark Impostor 2BCreature — Vampire Assassin {4}{B}{B}: Exile target creature and put a +1/+1 counter on Dark Impostor. Dark Impostor has all activated abilities of all creature cards exiled with it. 2/2
Akiri, Fearless Voyager 1RWLegendary Creature — Kor Warrior Whenever you attack a player with one or more equipped creatures, draw a card. {W}: You may unattach an Equipment from a creature you control. If you do, tap that creature and it gains indestructible until end of turn. 3/3
Earthbrawn 1GInstant Target creature gets +3/+3 until end of turn. Reinforce 1—{1}{G} ({1}{G}, Discard this card: Put a +1/+1 counter on target creature.)
Gale, Primeval Conduit 3GULegendary Creature — Human Wizard Whenever you cast an instant or sorcery spell, put two +1/+1 counters on target creature. 4/5
Volrath, the Shapestealer 2BGULegendary Creature — Phyrexian Shapeshifter At the beginning of combat on your turn, put a -1/-1 counter on up to one target creature. {1}: Until your next turn, Volrath, the Shapestealer becomes a copy of target creature with a counter on it, except it's 7/5 and it has this ability. 7/5
Leaping Master 1RCreature — Human Monk {2}{W}: Leaping Master gains flying until end of turn. 2/1
Primal Bellow GInstant Target creature gets +1/+1 until end of turn for each Forest you control.
Marcus, Mutant Mayor 3GULegendary Creature — Mutant Advisor Vigilance, trample Whenever a creature you control deals combat damage to a player, draw a card if that creature has a +1/+1 counter on it. If it doesn't, put a +1/+1 counter on it. 4/4
Wildsize 2GInstant Target creature gets +2/+2 and gains trample until end of turn. Draw a card.
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