Generous Patron is a rare Creature — Elf Advisor card from Secret Lair Drop (SLD), collector number 768. Current market price: — (foil $40.13), TCGplayer market prices via Scryfall.
When this creature enters, support 2. (Put a +1/+1 counter on each of up to two other target creatures.) Whenever you put one or more counters on a creature you don't control, draw a card.