Card Codex

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17 May 2024: Card library updated.

Common Courtesy

2UU · Enchantment

Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.

Similar cards

Color identity:
NameManaTypeText
Conductor of Cacophony 3BCreature — Demon Conductor of Cacophony enters the battlefield with two +1/+1 counters on it. {B}, Remove a +1/+1 counter from Conductor of Cacophony: It deals 1 damage to each other creature and each player. 2/1
Glittering Stockpile 2RArtifact — Treasure {T}: Add {R}. Put a stash counter on Glittering Stockpile. {T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.
Watcher of Hours 5UCreature — Sphinx Flying, ward {3} Whenever you remove a time counter from Watcher of Hours while it's exiled, surveil 1. Suspend 6—{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with six time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) 6/6
Bioessence Hydra 3GUCreature — Hydra Mutant Trample Bioessence Hydra enters the battlefield with a +1/+1 counter on it for each loyalty counter on planeswalkers you control. Whenever one or more loyalty counters are put on planeswalkers you control, put that many +1/+1 counters on Bioessence Hydra. 4/4
Jester's Mask 5Artifact Jester's Mask enters the battlefield tapped. {1}, {T}, Sacrifice Jester's Mask: Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. That player puts those cards into their hand, then shuffles.
Llanowar Druid 1GCreature — Elf Druid {T}, Sacrifice Llanowar Druid: Untap all Forests. 1/2
Wicked Slumber 3UInstant Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Tap up to two target creatures. Put a stun counter on either of them. Then put a stun counter on either of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)
Censorship UEnchantment As Censorship enters the battlefield, choose a word. Whenever a player says the chosen word, Censorship deals 2 damage to that player.
Treasure Map 2Artifact {1}, {T}: Scry 1. Put a landmark counter on Treasure Map. Then if there are three or more landmark counters on it, remove those counters, transform Treasure Map, and create three Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
Deny the Witch 1WUBInstant Counter target spell, activated ability, or triggered ability. Its controller loses life equal to the number of creatures you control.
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