Warden of the First Tree is a mythic Creature — Human card from Fate Reforged Promos (PFRF), collector number 143s. Current market price: — (foil $2.80), TCGplayer market prices via Scryfall.
{1}{W/B}: This creature becomes a Human Warrior with base power and toughness 3/3. {2}{W/B}{W/B}: If this creature is a Warrior, it becomes a Human Spirit Warrior with trample and lifelink. {3}{W/B}{W/B}{W/B}: If this creature is a Spirit, put five +1/+1 counters on it.