Earthbound Immortal Wiraqocha Rasca [CT06-EN004] Secret Rare

There can only be 1 face-up "Earthbound Immortal" monster on the field. If there is no face-up Field Spell Card on the field, destroy this card. Your opponent cannot select this card as an attack target. This card can attack your opponent directly. When this card is Normal Summoned, you can return up to 3 other cards you control to the Deck, then your opponent randomly discards cards from their hand equal to the amount of cards you returned, and this card gains 1000 ATK for each card discarded by your opponent.