Masked HERO Blast [JUMP-EN078] Ultra Rare Spirit Warriors Set: Circuit Break Card type:

Set: Circuit Break Card type: Normal Trap Rarity: Secret Rare At the end of the Battle Phase

You cannot conduct your Battle Phase the turn you activate this effect

so you can use existing cards like Heritage of the Chalice to make your Deck even stronger

your opponent cannot target this card with card effects

Masked HERO Blast [JUMP-EN078] Ultra Rare Spirit Warriors Set: Circuit Break Card type:Set: Shonen Jump Magazine Promos Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2200 Defense: 1800 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; its ATK becomes half its current ATK. Once per turn, during either player's turn: You can pay 500 LP, then target 1 Spell Trap Card your opponent controls; return