Elemental Hero Plasma Vice [GLAS-EN037] Secret Rare

"Elemental Hero Sparkman"+ "Elemental Hero Bladedge" This monster cannot be Special Summoned except by Fusion Summon. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent. You can discard 1 card from your hand to destroy 1 Attack Position monster your opponent controls.