Evil Hero Lightning Golem [GLAS-EN039] Ultra Rare

Set: Gladiator's Assault Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2400 Defense: 1500 """Elemental Hero Sparkman"" + ""Elemental Hero Clayman""This monster cannot be Special Summoned except with ""Dark Fusion"". Once per turn, you can destroy 1 monster on the field."