Lucario & Melmetal GX (SM192) [Sun & Moon: Black Star Promos] Booster •Once per turn: You can

•Once per turn: You can destroy all face-up monsters your opponent controls with DEF lower than this card's ATK

Must be Special Summoned (from your hand or Graveyard) by banishing 3 "Infernoid" monsters from your hand or Graveyard while the total Levels and Ranks of all Effect Monsters you control are 8 or lower

This card gains effects based on the number of materials attached to it

Set: Dark Revelation Volume 4 Card type: Union Monster Rarity: Common Attack: 100 Defense: 200 Once per turn

Lucario & Melmetal GX (SM192) [Sun & Moon: Black Star Promos] Booster •Once per turn: You canSet: Sun & Moon: Black Star Promos Type: Metal Rarity: Black Star Promo Retreat cost: Colorless,Colorless,Colorless