Rillaboom (SWSH006) (Prerelease Promo) [Sword & Shield: Black Star Promos] 188 Once per turn: You can

Once per turn: You can discard 1 Spell

negate the effects of Flip monsters destroyed by battle with this card

Set: Duelist Alliance: Deluxe Edition Card type: Effect Monster Rarity: Ultra Rare Attack: 800 Defense: 800 After you Normal Summon this card

Set: Photon Shockwave Card type: Spirit Monster Rarity: Super Rare Attack: 2100 Defense: 1800 Cannot be Special Summoned

using Materials including this card you control (this is a Quick Effect)

Rillaboom (SWSH006) (Prerelease Promo) [Sword & Shield: Black Star Promos] 188 Once per turn: You canSet: Sword & Shield: Black Star Promos Type: Grass Rarity: Promo Retreat cost: Colorless,Colorless,Colorless