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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
TARDIS Bay Plane — Gallifrey The first spell you cast during each of your turns with mana value 2 or greater has cascade. (When you cast that spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) When chaos ensues, gain control of target artifact. Then planeswalk.
Mirrorshell Crab 5UUArtifact Creature — Crab Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard Mirrorshell Crab: Counter target spell or ability unless its controller pays {3}. 5/7
Kira, Great Glass-Spinner 1UULegendary Creature — Spirit Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability." 2/2
Prescient Chimera 3UUCreature — Chimera Flying Whenever you cast an instant or sorcery spell, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) 3/4
The Great Work Enchantment — Saga (As this Saga enters and after your draw step, add a lore counter.) I — The Great Work deals 3 damage to target opponent and each creature they control. II — Create three Treasure tokens. III — Until end of turn, you may cast instant and sorcery spells from any graveyard. If a spell cast this way would be put into a graveyard, exile it instead. Exile The Great Work, then return it to the battlefield (front face up).
Curse of Hospitality 2REnchantment — Aura Curse Enchant player Creatures attacking enchanted player have trample. Whenever a creature deals combat damage to enchanted player, that player exiles the top card of their library. Until end of turn, that creature's controller may play that card and they may spend mana as though it were mana of any color to cast that spell.
Noise Marine 4RCreature — Astartes Warrior Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.) Sonic Blaster — When Noise Marine enters the battlefield, it deals damage equal to the number of spells you've cast this turn to any target. 3/2
Undercity Plunder 1BSorcery Target opponent discards a card. Then they may discard an additional card. If they don't, conjure a duplicate of a random card from their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell."
Camouflage GInstant Cast this spell only during your declare attackers step. This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)
Sanctum of Ugin Land {T}: Add {C}. Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.
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