When an opponent's monster declares an attack: Look at your opponent's hand, and if there is a Monster Card, negate the attack, then discard 1 monster from their hand (your choice).
Set:
Speed Duel GX: Duelists of Shadows
When an opponent's monster declares an attack: Look at your opponent's hand, and if there is a Monster Card, negate the attack, then discard 1 monster from their hand (your choice).