Raffine's Informant is a common Creature — Human Wizard card from Streets of New Capenna (SNC), collector number 26. Current market price: $0.34 (foil $0.34), TCGplayer market prices via Scryfall.
When this creature enters, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)