Edison format ruling
Valkyrion the Magna Warrior
Card effect (current official text)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
- You can Tribute the three monsters required to Special Summon this card from your hand, the field, or any combination of the two.
- You can only Special Summon this card through its own effect during your Main Phase 1 or 2. You can also only use its effect to Special Summon the Magnet Warriors during your Main Phase 1 or 2.
- If your opponent gains control of your Valkyrion the Magna Warrior he / she may Tribute it to Special Summon the Magnet Warriors if they have all 3 of them in their own GY.
- If you would have 2 or less vacant Monster Card Zones after you Tribute Valkyrion the Magna Warrior you cannot use its effect to Special Summon the Magnet Warriors.
- The opponent can activate Bottomless Trap Hole and Beta the Magnet Warrior and Gamma the Magnet Warrior will be destroyed.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.