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
Riku of Many Paths GURLegendary Creature — Human Wizard Whenever you cast a modal spell, choose up to X, where X is the number of times you chose a mode for that spell — • Exile the top card of your library. Until the end of your next turn, you may play it. • Put a +1/+1 counter on Riku of Many Paths. It gains trample until end of turn. • Create a 1/1 blue Bird creature token with flying. 3/3
Haunting Figment 1UCreature — Illusion Vigilance Haunting Figment can't be blocked as long as you've cast an instant or sorcery spell this turn. 2/1
Cobra Trap 4GGInstant — Trap If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay this spell's mana cost. Create four 1/1 green Snake creature tokens.
Hangman BCreature — Human Villain As Hangman enters the battlefield, secretly note a word with six to eight letters. {1}: Target player who doesn't control Hangman guesses the noted word or an unguessed letter in that word. If they guess wrong, put a +1/+1 counter on Hangman. Any player may activate this ability. When a player guesses the noted word or all of its letters, sacrifice Hangman. 1/1
Of One Mind 2USorcery This spell costs {2} less to cast if you control a Human creature and a non-Human creature. Draw two cards.
Sand Golem 5Artifact Creature — Golem When a spell or ability an opponent controls causes you to discard Sand Golem, return Sand Golem from your graveyard to the battlefield with a +1/+1 counter on it at the beginning of the next end step. 3/3
Tectonic Break XRRSorcery Each player sacrifices X lands.
Impulsive Destruction Sorcery Each player may sacrifice an artifact or enchantment. Impulsive Destruction deals 3 damage to each player who didn't sacrifice a permanent this way.
Ob Nixilis, Unshackled 4BBLegendary Creature — Demon Flying, trample Whenever an opponent searches their library, that player sacrifices a creature and loses 10 life. Whenever another creature dies, put a +1/+1 counter on Ob Nixilis, Unshackled. 4/4
Kaza, Roil Chaser URLegendary Creature — Human Wizard Flying, haste {T}: The next instant or sorcery spell you cast this turn costs {X} less to cast, where X is the number of Wizards you control as this ability resolves. 1/2
Page 307