Visions of Duplicity is a rare Sorcery card from Midnight Hunt Commander (MIC), collector number 71. Current market price: $0.34, TCGplayer market prices via Scryfall.
Exchange control of two target creatures you don't control. Flashback {8}{U}{U}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)