TheNewDrSpilkin built this deck. You can find more fun decks on his Youtube channel.

Planeswalkers (6)
3
Karn, the Great Creator
3
Ugin, the Spirit Dragon
Creatures (9)
2
Gadrak, the Crown-Scourge
3
Legion Warboss
2
Terror of the Peaks
2
Drakuseth, Maw of Flames
Spells (14)
3
Cathartic Reunion
1
Electrodominance
4
Fire Prophecy
2
Thrill of Possibility
4
Irencrag Feat
Artifacts (5)
2
Manifold Key
3
Chromatic Orrery
Enchantments (2)
2
Fiery Emancipation
Lands (24)
3
Castle Embereth
21
Mountain
Cards (60)
Sideboard (15)
1
Stonecoil Serpent
2
Crystalline Giant
2
Sparkhunter Masticore
2
Solemn Simulacrum
2
Chrome Replicator
2
Embercleave
1
Chromatic Orrery
2
Meteor Golem
1
Gate Colossus
ty very much for the deck. so much fun