During either player's turn, when your opponent activates a Spell Card, Trap Card, or monster effect that could make you discard when it resolves: You can send this card from your hand to the Graveyard; negate the activation, and if you do, destroy it. Then draw 1 card.
Near Mint Unlimited - $1.10
Lightly Played Unlimited - $1.00
Moderately Played Unlimited - $0.90
Heavily Played Unlimited - $0.80
Damaged Unlimited - $0.60