Valkyrion the Magna Warrior (YGLD-ENB01) [King of Games: Yugi's Legendary Decks]

Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by Tributing 1 "Alpha The Magnet Warrior", "Beta The Magnet Warrior", and "Gamma The Magnet Warrior" from your hand and/or your side of the field. You can Tribute this card, then target 1 "Alpha The Magnet Warrior", "Beta The Magnet Warrior", and "Gamma The Magnet Warrior" in your Graveyard; Special Summon those targets.