If this card was Set by the effect of an “Altergeist” card, you can activate it the turn it was Set. When this card resolves, send 1 “Altergeist” monster from your hand to the GY. When your opponent activates a Trap Card: You can send 1 “Altergeist” monster from your hand to the GY; negate its effect, and if you do, destroy it. You can only use each effect of “Altergeist Haunted Rock” once per turn.
