Battlewand Oak is a common Creature — Treefolk Warrior card from Lorwyn (LRW), collector number 197. Current market price: $0.22 (foil $2.00), TCGplayer market prices via Scryfall.
Whenever a Forest you control enters, this creature gets +2/+2 until end of turn. Whenever you cast a Treefolk spell, this creature gets +2/+2 until end of turn.