Common Courtesy

Common Courtesy (21) is a Blue Enchantment from Unglued (UGL). It costs {2}{U}{U} and has mana value 4. It is printed at Uncommon rarity.

Unglued is an Un-set, which is not legal in sanctioned play, released August 1998. Common Courtesy has 1 other card in the database, listed further down the page.

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.