The Unstoppable Exodia Incarnate (INFO-EN033)

5 "Forbidden One" monsters

Cannot be destroyed by an opponent's card effects. Once per turn, if this card battles, during damage calculation: You can make this card gain ATK equal to your LP. Once per turn, when a Spell/Trap Card or effect is activated (Quick Effect): You can negate that activation. Once per turn, during the End Phase: You can Set 1 "Exodd" or "Obliterate!!!" Spell/Trap from your Deck. Once per turn, during your Standby Phase: Lose 1000 LP.

Spellcaster / Fusion / Effect, The Infinite Forbidden