Twin-Headed Behemoth (SDMY-EN023) [Structure Deck: Yugi Muto]

During the End Phase, if this card is in the Graveyard because it was destroyed on the field and sent there this turn: You can Special Summon this card, but its ATK and DEF become 1000. You can only use this effect of "Twin-Headed Behemoth" once per Duel.