Regigigas VSTAR (GG55/GG70) [Sword & Shield: Crown Zenith] Grass[+20] Boss Monster is a "dungeon-building"

Boss Monster is a "dungeon-building" card game that pits 2-4 players in a competition to build the ultimate side-scrolling dungeon

including a Synchro Monster During the Main Phase (Quick Effect): You can banish 1 "Power Tool" Synchro Monster or 1 Level 7 or 8 Dragon Synchro Monster from your Extra Deck

inflict damage to your opponent equal to the combined original ATK of those destroyed monster(s)

Set: XY: Generations Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Regigigas VSTAR (GG55/GG70) [Sword & Shield: Crown Zenith] Grass[+20] Boss Monster is a "dungeon-building"Set: Sword & Shield: Crown Zenith Type: Colorless Rarity: Ultra Rare Retreat cost: 4