While this sometimes pops up in competitive Birgi and Krark decks, I feel this could see more play in less competitive pods as well
Purchase Channel Fireball sleeves from ChannelFireball.com Dex Protection Hyper Mat While limited to only one finish and color (black), at only $5.95 for a package of 100, Dex Protection Hyper Mat sleeves are among the least expensive sleeves on the market, making them a solid value play
Heartwood Storyteller is a notable Treefolk that can draw cards anytime the opponent casts non-creature spells, which can be rather amusing in multiplayer games of Commander and is priced at $8 on MTG Goldfish
This is especially good when some players are Final Fantasy fans first and Magic players second, because the card names and worlds create instant interest
Doctors companion (You can have two commanders if the other is the Doctor.) Illustrated by Tony Foti Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
The problem is that counterfeit cards aren't "proxies" in the traditional sense because their intent is to deceive