Riddlemaster Sphinx I just recently tossed this $0.49 bulk rare into my Sphinx-Matters Budget Commander build ($33) around Unesh earlier this week
Feast of Blood and Erase are there for removals
The three mana isnt so curve-friendly, but you can deal damage to any target, you can proliferate, and it's an instant
From Stranger Things to Fortnite alongside more obvious combinations like Dungeons & Dragons and The Lord of the Rings, many universes have joined up with Magic: The Gathering
Surely there are some convoluted combos involving him being cast/sacrificed infinitely for value, probably with Purphoros, God of the Forge as the payoff card
With Balance, if you can get some artifact mana on the battlefield, you can break the symmetry of the card and leave your opponent without a battlefield or hand, while you can keep casting your spells thanks to your mana rocks