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
A-Bretagard Stronghold Land Bretagard Stronghold enters the battlefield tapped. {T}: Add {G}. {G}{W}{W}, {T}, Sacrifice Bretagard Stronghold: Distribute two +1/+1 counters among one or two target creatures you control. They gain vigilance and lifelink until end of turn. Activate only as a sorcery.
Vineshaper Mystic 2GCreature — Merfolk Shaman When Vineshaper Mystic enters the battlefield, put a +1/+1 counter on each of up to two target Merfolk you control. 1/3
Littjara Glade-Warden 3GCreature — Shapeshifter Changeling (This card is every creature type.) {2}{G}, {T}, Exile a creature card from your graveyard: Put two +1/+1 counters on target creature. Activate only as a sorcery. 3/3
Charge Through GInstant Target creature gains trample until end of turn. Draw a card.
Brallin, Skyshark Rider 3RLegendary Creature — Human Shaman Partner with Shabraz, the Skyshark (When this creature enters the battlefield, target player may put Shabraz into their hand from their library, then shuffle.) Whenever you discard a card, put a +1/+1 counter on Brallin, Skyshark Rider and it deals 1 damage to each opponent. {R}: Target Shark gains trample until end of turn. 3/3
Piper Wright, Publick Reporter 1ULegendary Creature — Human Detective Whenever Piper Wright deals combat damage to a player, investigate that many times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, put a +1/+1 counter on target creature you control. 1/2
Monstrous Step 4GSorcery Target creature gets +7/+7 until end of turn. Up to one other target creature blocks it this turn if able. Cycling {2} ({2}, Discard this card: Draw a card.)
Jailbreak Scheme USorcery Spree (Choose one or more additional costs.) + {3} — Put a +1/+1 counter on target creature. It can't be blocked this turn. + {2} — Target artifact or creature's owner puts it on the top or bottom of their library.
Shieldhide Dragon 5WCreature — Dragon Flying, lifelink Megamorph {5}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When Shieldhide Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control. 3/3
Jackknight 1WArtifact Creature — Cyborg Knight Whenever another artifact enters the battlefield under your control, put a +1/+1 counter on Jackknight. If that artifact is a Contraption, Jackknight gains lifelink until end of turn. 1/1
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