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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
Ajani's Presence WInstant Strive — This spell costs {2}{W} more to cast for each target beyond the first. Any number of target creatures each get +1/+1 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)
Lumbering Lightshield 1WCreature — Illusion When Lumbering Lightshield enters the battlefield, target opponent reveals a nonland card at random from their hand. It perpetually gains "This spell costs {1} more to cast." 1/4
Serra Disciple 1WCreature — Bird Cleric Flying, first strike Whenever you cast a historic spell, Serra Disciple gets +1/+1 until end of turn. (Artifacts, legendaries, and Sagas are historic.) 1/1
Skyfire Kirin 2RRLegendary Creature — Kirin Spirit Flying Whenever you cast a Spirit or Arcane spell, you may gain control of target creature with that spell's mana value until end of turn. 3/3
Dream Leash 3UUEnchantment — Aura Enchant permanent You can't choose an untapped permanent as this spell's target as you cast it. You control enchanted permanent.
Bladecoil Serpent X6Artifact Creature — Serpent When Bladecoil Serpent enters the battlefield, for each {U}{U} spent to cast it, draw a card. When Bladecoil Serpent enters the battlefield, for each {B}{B} spent to cast it, each opponent discards a card. When Bladecoil Serpent enters the battlefield, for each {R}{R} spent to cast it, it gets +1/+0 and gains trample and haste until end of turn. 5/4
Clone Crafter 1UCreature — Human Wizard When Clone Crafter enters the battlefield, conjure a duplicate of a random creature card from your opponent's library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." 1/2
Pyromancer Ascension 1REnchantment Whenever you cast an instant or sorcery spell that has the same name as a card in your graveyard, you may put a quest counter on Pyromancer Ascension. Whenever you cast an instant or sorcery spell while Pyromancer Ascension has two or more quest counters on it, you may copy that spell. You may choose new targets for the copy.
Kheru Mind-Eater 2BCreature — Vampire Menace Whenever Kheru Mind-Eater deals combat damage to a player, that player exiles a card from their hand face down. You may look at cards exiled with Kheru Mind-Eater, and you may play lands and cast spells from among those cards. 1/3
Summoner's Bane 2UUInstant Counter target creature spell. Create a 2/2 blue Illusion creature token.
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