Elemental HERO Rampart Blaster (LCGX-EN047)

Elemental HERO Clayman + Elemental HERO Burstinatrix\n
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.

Effect Fusion Monster, Legendary Collection 2: The Duel Academy Years Mega Pack