Elemental HERO Thunder Giant [SGX1-ENA22] CommonSet: Speed Duel GX: Duel Academy Box Card type: Fusion Effect Monster Rarity: Common Attack: 2400 Defense: 1500 "Elemental HERO Sparkman" + "Elemental HERO Clayman" Must be Fusion Summoned and cannot be Special Summoned by other ways. Once per turn: You can discard 1 card to target 1 face up monster on the field with original ATK less than the ATK of this card; destroy that target.