flavorText: "You didn't say the Magic word."
name: Common Courtesy
originalText: Whenever a player casts a spell without asking your permission while casting it, counter that spell.\nWhen a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.
printings: UGL, UND
text: Whenever a player casts a spell without asking your permission while casting it, counter that spell.\nWhen a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.