Analyze the Pollen is a rare Sorcery card from Murders at Karlov Manor Promos (PMKM), collector number 150p. Current market price: $1.20 (foil $0.74), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, you may collect evidence 8. (Exile cards with total mana value 8 or greater from your graveyard.) Search your library for a basic land card. If evidence was collected, instead search your library for a creature or land card. Reveal that card, put it into your hand, then shuffle.