Spell Mage, hit legend with lightshow spell mage by Zkarter

Use spell generating cards to cast Lightsow whenever you can, this is your primary win condition. If you can, cast Stargazing at turn 5 to cast a double lightshow.

Primordial Glyph Void Scripture Stargazing 

Use Fireball, Frostbolt or any damage spell you discover to finish off the opponent, you can combine it with spell damage from Elemental Companion and the mana reduction from Manufacturing Error

Manufacturing Error Elemental Companion