Blast, HEROS Masqué RATE-FRSE2

Only Special Summonable with "Mask Change" and not otherwise Special Summonable. If this card is Special Summoned: you can target 1 face-up monster your opponent controls, its ATK becomes half its current ATK. Once per turn, during each player's turn: you can pay 500 LP, then target 1 Spell/Trap Card your opponent controls, return it to the hand.