Target 3 monsters with different Levels in your Graveyard; Special Summon all 3 of them. Their ATK's become 0, also their effects are negated. If you do not Xyz Summon this turn after Summoning those 3 monsters, you lose 4000 Life Points during the End Phase. You cannot Special Summon any other monsters, except by Xyz Summon, during the turn you activate this card.