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
Open the Omenpaths 2RInstant Choose one — • Add two mana of any one color and two mana of any other color. Spend this mana only to cast creature or enchantment spells. • Creatures you control get +1/+0 until end of turn.
Atsushi, the Blazing Sky 2RRLegendary Creature — Dragon Spirit Flying, trample When Atsushi, the Blazing Sky dies, choose one — • Exile the top two cards of your library. Until the end of your next turn, you may play those cards. • Create three Treasure tokens. 4/4
Balor 3RRCreature — Demon Flying Whenever Balor attacks or dies, choose one or more. Each mode must target a different player. • Target opponent draws three cards, then discards three cards at random. • Target opponent sacrifices a nontoken artifact. • Balor deals damage to target opponent equal to the number of cards in their hand. 5/5
Nightmare Unmaking 3BBSorcery Choose one — • Exile each creature with power greater than the number of cards in your hand. • Exile each creature with power less than the number of cards in your hand.
Austere Command 4WWSorcery Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.
Marath, Will of the Wild RGWLegendary Creature — Elemental Beast Marath, Will of the Wild enters the battlefield with a number of +1/+1 counters on it equal to the amount of mana spent to cast it. {X}, Remove X +1/+1 counters from Marath: Choose one — • Put X +1/+1 counters on target creature. X can't be 0. • Marath deals X damage to any target. X can't be 0. • Create an X/X green Elemental creature token. X can't be 0. 0/0
Slip Out the Back UInstant Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)
Journey of Discovery 2GSorcery Choose one — • Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle. • You may play up to two additional lands this turn. Entwine {2}{G} (Choose both if you pay the entwine cost.)
Mob Rule 4RRSorcery Choose one — • Gain control of all creatures with power 4 or greater until end of turn. Untap those creatures. They gain haste until end of turn. • Gain control of all creatures with power 3 or less until end of turn. Untap those creatures. They gain haste until end of turn.
Strength of Solidarity GSorcery Choose target creature you control. Put a +1/+1 counter on it for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
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