Valkyrion the Magna Warrior

Level 8 EARTH/Rock Effect
3500 ATK / 3850 DEF

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 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 them.

Rulings – Yugipedia

Printings:

Yu-Gi-Oh! Worldwide Edition: Stairway to the Destined Duel promotional cards: SDD-001 (Prismatic Secret Rare) - 2003-04-15
Yu-Gi-Oh! World Championship Tournament 2004 promotional cards: WC4-E001 (Prismatic Secret Rare) - 2004-02-10
Retro Pack 2: RP02-EN092 (Secret Rare) - 2009-07-28
Legendary Collection 3: Yugi's World Mega Pack: LCYW-EN021 (Super Rare) - 2012-09-29
Yugi's Legendary Decks: YGLD-ENB01 (Ultra Rare) - 2015-11-12
Structure Deck: Yugi Muto: SDMY-EN006 (Common) - 2016-10-20
Speed Duel: Battle City Box: SBCB-EN022 (Common) - 2020-11-26
Speed Duel: Battle City Box: SBCB-EN022 (Secret Rare) - 2020-11-26

Prices:

Cardmarket: 0.11 €
TCGplayer: $ 0.60