Call of the Herd is a rare Sorcery card from Grand Prix Promos (PGPX), collector number 2008. Current market price: — (foil $23.19), TCGplayer market prices via Scryfall.
Create a 3/3 green Elephant creature token. Flashback {3}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)