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
Dragonsguard Elite 1GCreature — Human Druid Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on Dragonsguard Elite. {4}{G}{G}: Double the number of +1/+1 counters on Dragonsguard Elite. 2/2
Condescend XUInstant Counter target spell unless its controller pays {X}. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)
Stymied Hopes 1UInstant Counter target spell unless its controller pays {1}. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
Phalanx Formation 2WInstant Strive — This spell costs {1}{W} more to cast for each target beyond the first. Any number of target creatures each gain double strike until end of turn. (They deal both first-strike and regular combat damage.)
Berg Strider 4USnow Creature — Giant Wizard When Berg Strider enters the battlefield, tap target artifact or creature an opponent controls. If {S} was spent to cast this spell, that permanent doesn't untap during its controller's next untap step. ({S} is mana from a snow source.) 4/4
Override 2UInstant Counter target spell unless its controller pays {1} for each artifact you control.
Yasharn, Implacable Earth 2GWLegendary Creature — Elemental Boar When Yasharn enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle. Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities. 4/4
Voracious Reader Creature — Eldrazi Homunculus Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Instant and sorcery spells you cast cost {1} less to cast. 3/4
Woodlurker Mimic 1B/GCreature — Shapeshifter Whenever you cast a spell that's both black and green, Woodlurker Mimic has base power and toughness 4/5 until end of turn and gains wither until end of turn. (It deals damage to creatures in the form of -1/-1 counters.) 2/1
Vodalian Mage 2UCreature — Merfolk Wizard {U}, {T}: Counter target spell unless its controller pays {1}. 1/1
Page 214