Gravekeeper's Watcher - Dark Revelation Volume 1 - DR1-EN012 - Common
For Sale: 0
Regular-Mid: $1.72
For Sale: 0
Reg-Mid: $1.72
Description
During either player's turn, when your opponent activates a Spell/Trap Card or monster effect that could make them discard when it resolves: You can send this card from your hand to the Graveyard; negate the activation, and if you do, destroy it.