Ancient Greenwarden is a mythic Creature — Elemental card from Outlaws of Thunder Junction Commander (OTC), collector number 186. Current market price: $13.03, TCGplayer market prices via Scryfall.
Reach (This creature can block creatures with flying.) You may play lands from your graveyard. If a land entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.