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.
Near Mint - $0.50
Lightly Played - $0.47
Moderately Played - $0.38
Heavily Played - $0.30
Damaged - $0.20
Near Mint Non-English - $0.50
Lightly Played Non-English - $0.47
Moderately Played Non-English - $0.38
Heavily Played Non-English - $0.30
Damaged Non-English - $0.20