You can only activate this card when your opponent successfully Normal Summons, Flip Summons, or Special Summons a monster. As long as that monster remains face-up on the field, the original ATK of the monster is halved.
Near Mint Unlimited - $0.30
Lightly Played Unlimited - $0.30
Moderately Played Unlimited - $0.25
Heavily Played Unlimited - $0.25
Damaged Unlimited - $0.20