He functions perfectly well all on his own, milling cards into graveyards that could potentially make him larger and letting you cast those cards every turn
Read More: The best alternate win conditions in MTG 9 Geth, Lord of the Vault Now for a very big change of pace with Geth
The only cards that dropped were the two Modern staples, and thats because the entire Modern index is down pretty significantly from early November
The fact that it can give you a rebate on the initial equip cost by untapping two of your lands is huge, and youll be able to get plenty of value out of the other modes in most decks that care about attacking
Im only including this here because its sometimes relevant in Eternal formats besides Commander
My eyes initially glazed over when I saw all the usual +1/+1 counter support, but the radiation counters, mutant subtheme, and mill payoffs make it feel distinct from previous counter decks