Blackwing - Abrolhos the Megaquake

Cannot be Special Summoned. This card cannot destroy monsters by battle. If this card battles a monster, after damage calculation: Return that monster to the hand. Once per turn, during your Main Phase 1: You can have this card lose exactly 1000 ATK, and if you do, return all cards in your opponent's Spell & Trap Zone to the hand.

Winged Beast DARK Effect Monster 7 effect