Number 17: Leviathan Dragon [BROL-EN000] Starlight Rare Saibaimen This effect cannot be activated

This effect cannot be activated if there is a face-up "Treeborn Frog" on your side of the field

Professor's Research keeps your hand full of options

Your opponent can only select "Elemental Hero Poison Rose" as an attack target

An ancient elf spirit of the Mul Daya

Set: Elemental Energy Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 3000 Defense: 2800 "VW-Tiger Catapult" + "XYZ-Dragon Cannon" This card can only be Special Summoned from your Fusion Deck by removing from play the above cards on your side of the field

Number 17: Leviathan Dragon [BROL-EN000] Starlight Rare Saibaimen This effect cannot be activatedSet: Brothers of Legend Card type: Xyz Effect Monster Rarity: Starlight Rare Attack: 2000 Defense: 0 2 Level 3 monsters Once per turn: You can detach 1 Xyz Material from this card; this card gains 500 ATK. If this card has no Xyz Material, it cannot attack your opponent directly.