Card Codex

M:tG card similarity search

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
Visions of Ruin 3RSorcery Each opponent sacrifices an artifact. For each artifact sacrificed this way, you create a Treasure token. Flashback {8}{R}{R}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Daybreak Chimera 3WWCreature — Chimera This spell costs {X} less to cast, where X is your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) Flying 3/3
Havengul Lich 3UBCreature — Zombie Wizard {1}: You may cast target creature card in a graveyard this turn. When you cast it this turn, Havengul Lich gains all activated abilities of that card until end of turn. 4/4
Vexing Devil RCreature — Devil When Vexing Devil enters the battlefield, any opponent may have it deal 4 damage to them. If a player does, sacrifice Vexing Devil. 4/3
Discontinuity 3UUUInstant As long as it's your turn, this spell costs {2}{U}{U} less to cast. End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.)
Soul of Magma 3RRCreature — Spirit Whenever you cast a Spirit or Arcane spell, Soul of Magma deals 1 damage to target creature. 2/2
Tithing Blade 1BArtifact When Tithing Blade enters the battlefield, each opponent sacrifices a creature. Craft with creature {4}{B} ({4}{B}, Exile this artifact, Exile a creature you control or a creature card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)
Myojin of Roaring Blades 5RRRLegendary Creature — Spirit Myojin of Roaring Blades enters the battlefield with an indestructible counter on it if you cast it from your hand. Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets. 7/4
Galvanic Iteration URInstant When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Flashback {1}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Bone Picker 3BCreature — Bird This spell costs {3} less to cast if a creature died this turn. Flying, deathtouch 3/2
Page 279