Royal Rebel's Heavy Metal

[ Fiend / Effect ] [REQUIREMENT]During the turn you Normal Summoned this card by Tributing a Level 5 or higher monster. [EFFECT] Choose 1 face-up Level 8 or lower monster with the lowest Level on your opponent's field, and this card gains ATK equal to [that monster's ATK] until the end of this turn. Destroy that monster. ATK/ 2500 DEF/ 0