Advanced format ruling
Twin-Headed Behemoth
Card effect (current official text)During the End Phase, if this card is in the GY because it was destroyed on the field and sent there this turn: You can Special Summon this card, but its ATK/DEF become 1000. You can only use this effect of "Twin-Headed Behemoth" once per Duel.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.