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
Hunt the Weak 3GSorcery Put a +1/+1 counter on target creature you control. Then that creature fights target creature you don't control. (Each deals damage equal to its power to the other.)
Angelfire Ignition 1RWSorcery Put two +1/+1 counters on target creature. It gains vigilance, trample, lifelink, indestructible, and haste until end of turn. Flashback {2}{R}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Armor Thrull 2BCreature — Thrull {T}, Sacrifice Armor Thrull: Put a +1/+2 counter on target creature. 1/3
Weatherseed Elf GCreature — Elf {T}: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.) 1/1
Fabrication Module 3Artifact Whenever you get one or more {E} (energy counters), put a +1/+1 counter on target creature you control. {4}, {T}: You get {E}.
Thrive XGSorcery Put a +1/+1 counter on each of X target creatures.
Kinsbaile Courier 2WCreature — Kithkin Soldier When Kinsbaile Courier enters the battlefield, put a +1/+1 counter on target creature. Encore {2}{W} ({2}{W}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) 2/1
Basri, Devoted Paladin 4WWLegendary Planeswalker — Basri [+1]: Put a +1/+1 counter on up to one target creature. It gains vigilance until end of turn. [−1]: Whenever a creature attacks this turn, put a +1/+1 counter on it. [−6]: Creatures you control get +2/+2 and gain flying until end of turn. Loyalty 4
Arwen, Mortal Queen 1GWLegendary Creature — Elf Noble Arwen, Mortal Queen enters the battlefield with an indestructible counter on it. {1}, Remove an indestructible counter from Arwen: Another target creature gains indestructible until end of turn. Put a +1/+1 counter and a lifelink counter on that creature and a +1/+1 counter and a lifelink counter on Arwen. 2/2
Restless Bones 2BCreature — Skeleton {3}{B}, {T}: Target creature gains swampwalk until end of turn. (It can't be blocked as long as defending player controls a Swamp.) {1}{B}: Regenerate Restless Bones. 1/1
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