Mindful Biomancer is a common Creature — Dryad Druid card from Secrets of Strixhaven (SOS), collector number 154. Current market price: $0.06 (foil $0.10), TCGplayer market prices via Scryfall.
When this creature enters, you gain 1 life. {2}{G}: This creature gets +2/+2 until end of turn. Activate only once each turn.