Parallel Evolution is a rare Sorcery card from The List (PLST), collector number TOR-136. Current market price: $5.65, TCGplayer market prices via Scryfall.
For each creature token on the battlefield, its controller creates a token that's a copy of that creature. Flashback {4}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)