|Supreme Crystal Deity, Heavy Metal Dragon|
|Type(s)||[ Wyrm/Fusion/Effect ]|
|ATK / DEF||4000 / 4000|
Lore"Heavy Metal Pollux" or "Heavy Metal Castor" + " " or " "
Must be Special Summoned by Fusion Summon with the above listed Fusion Materials and cannot be Special Summoned by other ways. During either player's turn, when a Spell or Trap Card is activated: You can return 1 card in your hand to the Deck; negate the activation and return that card to the Deck. When this card battles: You can select and activate 1 or both of the following effects: