Rillaboom (014/202) (Theme Deck Exclusive) [Sword & Shield: Base Set] 011 during damage calculation (Quick Effect):

during damage calculation (Quick Effect): You can make this card's ATK become equal to the highest original ATK on the field (your choice

•Once per turn: You can detach 1 Xyz Material from this card

If this card is sent from the field to the Graveyard: You can Special Summon 1 "Metalfoes" Pendulum Monster from your Graveyard or face-up from your Extra Deck

decrease the ATK and DEF of all your opponent's monster by 700 points

Rillaboom (014/202) (Theme Deck Exclusive) [Sword & Shield: Base Set] 011 during damage calculation (Quick Effect):Set: Sword & Shield: Base Set Type: Grass Rarity: Rare Retreat cost: Colorless,Colorless,Colorless