Royal Rebel's Hard Rock

[ Fiend / Effect ] [REQUIREMENT]During the turn you Normal Summoned this card by Tributing 2 Level 7 or higher Fiend Type monsters. [EFFECT] Choose 1 face-up Level 7 or higher monster on your opponent's field. Inflict damage to your opponent equal to [the difference in ATK between the chosen monster and this card]. This card gains ATK equal to [the chosen monster's ATK] until the end of this turn. ATK/ 2500 DEF/ 2000