Ive seen all sorts of house rule expansions of partner in my day, so you could always ask
Card Name Mana Cost Type Instant Rarity Common rules Text Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control and you create a Treasure token." (It's an artifact with " , Sacrifice this token: Add one mana of any color.") Number 79 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Standard, Timeless, Vintage Rulings (4/29/2022) The Treasure token is created by the creature's controller, who may be different from Fake Your Own Death's controller and may be different from the creature's owner
The model would either not respond or confuse cards, miss some or even hallucinate prices
When they pop up it's cool to see, and people don't see them too often