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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
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A-Earthquake Dragon 14GCreature — Elemental Dragon This spell costs {X} less to cast, where X is the total mana value of Dragons you control not named Earthquake Dragon. Flying, trample {2}{G}, Sacrifice a land: Return A-Earthquake Dragon from your graveyard to your hand. 10/10
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