Common Courtesy
Mana cost

Mana value4TypeEnchantment
Color identity
Blue
RarityUncommon
SetUnsanctioned (UND)
ArtistMike Raabe
Price€0.18 · $0.29
Common Courtesy 


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 this enchantment.
When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice this enchantment.
"You didn't say the Magic word."
Legality
CommanderNot legalStandardNot legalPioneerNot legalModernNot legalLegacyNot legalVintageNot legalPauperNot legalBrawlNot legalOathbreakerNot legalHistoricNot legalTimelessNot legalPenny DreadfulNot legal
Rulings
2020-02-29
You do have to ask yourself permission to cast spells, although you can give yourself a one-time permission that applies to all future spells you cast.

