Card Codex

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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
Change the Equation 1UInstant Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less.
Vadrik, Astral Archmage 1URLegendary Creature — Human Wizard If it's neither day nor night, it becomes day as Vadrik, Astral Archmage enters the battlefield. Instant and sorcery spells you cast cost {X} less to cast, where X is Vadrik's power. Whenever day becomes night or night becomes day, put a +1/+1 counter on Vadrik. 1/2
Metallurgic Summonings 3UUEnchantment Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value. {3}{U}{U}, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.
Brine Seer 3UCreature — Human Wizard {2}{U}, {T}: Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way. 1/1
Aethersnatch 4UUInstant Gain control of target spell. You may choose new targets for it. (If that spell becomes a permanent, it enters the battlefield under your control.)
Ravenous Rotbelly 4BCreature — Zombie Horror When Ravenous Rotbelly enters the battlefield, you may sacrifice up to three Zombies. When you sacrifice one or more Zombies this way, each opponent sacrifices that many creatures. 4/5
Karplusan Strider 3GCreature — Yeti Karplusan Strider can't be the target of blue or black spells. 3/4
Soilshaper 1GCreature — Spirit Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land. 1/1
A-The One Ring 4Legendary Artifact Indestructible When The One Ring enters the battlefield, if you cast it, you gain protection from everything until your next turn. At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring. {1}, {T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.
Niambi, Beloved Protector WULegendary Creature — Human Cleric Flash When Niambi, Beloved Protector enters the battlefield, if you cast it, choose target nonlegendary creature card in your graveyard that was put there from the battlefield this turn. Return it to the battlefield. It perpetually gains "Whenever this creature becomes the target of a spell or ability, draw a card. This ability triggers only once each turn." 2/2
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