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
Barbarian Outcast 1RCreature — Human Barbarian Beast When you control no Swamps, sacrifice Barbarian Outcast. 2/2
Piper Wright, Publick Reporter 1ULegendary Creature — Human Detective Whenever Piper Wright deals combat damage to a player, investigate that many times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, put a +1/+1 counter on target creature you control. 1/2
Wrexial, the Risen Deep 3UUBLegendary Creature — Kraken Islandwalk, swampwalk (This creature can't be blocked as long as defending player controls an Island or a Swamp.) Whenever Wrexial, the Risen Deep deals combat damage to a player, you may cast target instant or sorcery card from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. 5/8
Assemble the Players 1WEnchantment You may look at the top card of your library any time. Once each turn, you may cast a creature spell with power 2 or less from the top of your library.
Phyrexian Broodlings 1BBCreature — Phyrexian Minion {1}, Sacrifice a creature: Put a +1/+1 counter on Phyrexian Broodlings. 2/2
Lorehold Apprentice RWCreature — Human Cleric Magecraft — Whenever you cast or copy an instant or sorcery spell, until end of turn, Spirit creatures you control gain "{T}: This creature deals 1 damage to each opponent." 2/2
Rootwater Alligator 3GCreature — Crocodile Sacrifice a Forest: Regenerate Rootwater Alligator. 3/2
Unexpected Fangs 1BInstant Put a +1/+1 counter and a lifelink counter on target creature.
Territorial Dispute 4RREnchantment At the beginning of your upkeep, sacrifice Territorial Dispute unless you sacrifice a land. Players can't play lands.
Dread Cacodemon 7BBBCreature — Demon When Dread Cacodemon enters the battlefield, if you cast it from your hand, destroy all creatures your opponents control, then tap all other creatures you control. 8/8
Page 312