Ancient Greenwarden is a mythic Creature — Elemental card from Zendikar Rising Promos (PZNR), collector number 178p. Current market price: $12.31 (foil $13.51), 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.