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
Goblin Razerunners 2RRCreature — Goblin Warrior {1}{R}, Sacrifice a land: Put a +1/+1 counter on Goblin Razerunners. At the beginning of your end step, you may have Goblin Razerunners deal damage equal to the number of +1/+1 counters on it to target player or planeswalker. 3/4
Deeproot Champion 1GCreature — Merfolk Shaman Whenever you cast a noncreature spell, put a +1/+1 counter on Deeproot Champion. 1/1
Shidako, Broodmistress Legendary Creature — Snake Shaman {G}, Sacrifice a creature: Target creature gets +3/+3 until end of turn. 3/3
Forced Adaptation GEnchantment — Aura Enchant creature At the beginning of your upkeep, put a +1/+1 counter on enchanted creature.
Ravenous Harpy 2BCreature — Harpy Flying {1}, Sacrifice another creature: Put a +1/+1 counter on Ravenous Harpy. 1/2
Dross Hopper 1BCreature — Phyrexian Insect Horror Sacrifice a creature: Dross Hopper gains flying until end of turn. 2/1
Bat Colony 2WEnchantment When Bat Colony enters the battlefield, create a 1/1 black Bat creature token with flying for each mana from a Cave spent to cast it. Whenever a Cave enters the battlefield under your control, put a +1/+1 counter on target creature you control.
Make a Stand 2WInstant Creatures you control get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
Might of the Masses GInstant Target creature gets +1/+1 until end of turn for each creature you control.
Clockwork Beast 6Artifact Creature — Beast Clockwork Beast enters the battlefield with seven +1/+0 counters on it. At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Beast. This ability can't cause the total number of +1/+0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep. 0/4
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