Dragonsguard Elite is a rare Creature — Human Druid card from Strixhaven: School of Mages (STX), collector number 376. Current market price: — (foil $0.29), TCGplayer market prices via Scryfall.
Magecraft — Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on this creature. {4}{G}{G}: Double the number of +1/+1 counters on this creature.