Oscillo Hero #2 + One-eyed Shield Dragon → Thunder Dragon

Oscillo Hero #2 + Wicked Dragon with the Ersatz Head → Thunder Dragon

Oscillo Hero #2 + Takriminos → Thunder Dragon

Oscillo Hero #2 + Yamadron → Twin-headed Thunder Dragon

Oscillo Hero #2 + Seiyaryu → Twin-headed Thunder Dragon

Oscillo Hero #2 + Flying Penguin → Bolt Escargot

Oscillo Hero #2 + Fairy's Gift → The Immortal of Thunder

Oscillo Hero #2 + Parrot Dragon → Twin-headed Thunder Dragon

Oscillo Hero #2 + Dark Rabbit → Tripwire Beast

Oscillo Hero #2 + Harpie's Pet Dragon → Twin-headed Thunder Dragon

Oscillo Hero #2 + Mystic Lamp → The Immortal of Thunder

Oscillo Hero #2 + Zone Eater → Bolt Escargot