Elemental HERO Rampart Blaster

[ Warrior / Fusion / Effect ] "Elemental HERO Clayman" + "Elemental HERO Burstinatrix" Must be Fusion Summoned and cannot be Special Summoned by other ways. This card can attack while in face-up Defense Position, but only if your opponent controls no monsters, and if it does, this card's ATK is halved during damage calculation only. ATK/ 2000 DEF/ 2500