Trevenant (XY94) (Staff) [XY: Black Star Promos] 78 When 3 Hyper-Venom Counters are

When 3 Hyper-Venom Counters are on this card

Set: The Lost Millennium Card type: Effect Monster Rarity: Ultra Rare Attack: 3000 Defense: 2500 This card cannot be Normal Summoned or Set

Set: The Lost Millennium Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 2100 Defense: 1200 Elemental Hero Avian' + 'Elemental Hero Burstinatrix' This monster cannot be Special Summoned except by Fusion Summon

when a monster effect activates: You can detach 1 Xyz Material from this card

) The original ATK of this card becomes 1000 x the number of Fusion Material Monsters used for its Special Summon

Trevenant (XY94) (Staff) [XY: Black Star Promos] 78 When 3 Hyper-Venom Counters areSet: XY: Black Star Promos Type: Psychic Rarity: Promo Retreat cost: Colorless,Colorless,Colorless