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
Kinjalli's Caller WCreature — Human Cleric Dinosaur spells you cast cost {1} less to cast. 0/3
Haunting Hymn 4BBInstant Target player discards two cards. If you cast this spell during your main phase, that player discards four cards instead.
Dragonspeaker Shaman 1RRCreature — Human Barbarian Shaman Dragon spells you cast cost {2} less to cast. 2/2
Mindleech Mass 5UBBCreature — Horror Trample Whenever Mindleech Mass deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost. 6/6
Blaze of Glory WInstant Cast this spell only during combat before blockers are declared. Target creature defending player controls can block any number of creatures this turn. It blocks each attacking creature this turn if able.
Sphinx's Decree 1WSorcery Each opponent can't cast instant or sorcery spells during that player's next turn.
Nahiri's Sacrifice 1RSorcery As an additional cost to cast this spell, sacrifice an artifact or creature with mana value X. Nahiri's Sacrifice deals X damage divided as you choose among any number of target creatures.
Inspirational Antelope 1GCreature — Antelope Legacy — Before the game starts, choose a keyword or ability word and write it below. Spells with __________ you cast cost {1} less to cast. 1/3
Codie, Vociferous Codex 3Legendary Artifact Creature — Construct You can't cast permanent spells. {4}, {T}: Add {W}{U}{B}{R}{G}. When you next cast a spell this turn, exile cards from the top of your library until you exile an instant or sorcery card with lesser mana value. Until end of turn, you may cast that card without paying its mana cost. Put each other card exiled this way on the bottom of your library in a random order. 1/4
Death Bomb 3BInstant As an additional cost to cast this spell, sacrifice a creature. Destroy target nonblack creature. It can't be regenerated. Its controller loses 2 life.
Page 133