Invincible Demise Lord

During the End Phase, if a monster(s) was destroyed by battle this turn: You can Special Summon this card from your hand or GY, and if "Invincible Demise Lord" was destroyed by battle this turn, this card's original ATK becomes 3000, also it cannot be destroyed by card effects. During your Main Phase: You can reveal cards in your Deck, including "Slash Draw", equal to the number of cards your opponent controls +1 and place those revealed cards on top of the Deck in any order. You can only use each effect of "Invincible Demise Lord" once per turn.