Must be Special Summoned with 'Mask Change' and cannot be Special Summoned by other ways. If this card is Special Summoned: You can target 1 face-up monster your opponent controls; halve its ATK. Once per turn, during either player's turn: You can pay 500 LP, then target 1 Spell/Trap Card your opponent controls; return it to the hand.
Atom 1.0
