Visions of Dread is a rare Sorcery card from Midnight Hunt Commander (MIC), collector number 72. Current market price: $0.29, TCGplayer market prices via Scryfall.
Target opponent puts a creature card of their choice from their graveyard onto the battlefield under your control. Flashback {8}{B}{B}. 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.)