Having two sets of game-winning four-drops to slam is a big upgrade, and Heart of Kiran to protect Karn or just jam on your opponent is pretty nice
People have many reasons for playing Commander, and it is our prerogative as players to seek differing viewpoints to understand other players idea of fun for understandings sake, and also become better Magic -playing humans
You can cast it with Eldrazi Temple, Eye of Ugin and Urborg, Tomb of Yawgmoth
Then exiling an artifact can come in clutch (looking at you The One Ring), and of course that board wipe at the end could possibly change the face of the game
Hakbal of the Surging Soul is a ridiculously good value engine
Many dragons like Chiss-Goria, Forge Tyrant and Blast-Furnace Hellkite have an artifact tie-in