Wojek Investigator is a rare Creature — Angel Detective card from Murders at Karlov Manor Promos (PMKM), collector number 36p. Current market price: $2.75 (foil $3.51), TCGplayer market prices via Scryfall.
Flying, vigilance At the beginning of your upkeep, investigate once for each opponent who has more cards in hand than you. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")