Titania, Voice of Gaea is a mythic Legendary Creature — Elemental card from The Brothers' War Promos (PBRO), collector number 193s. Current market price: — (foil $24.63), TCGplayer market prices via Scryfall.
Reach Whenever one or more land cards are put into your graveyard from anywhere, you gain 2 life. At the beginning of your upkeep, if there are four or more land cards in your graveyard and you both own and control Titania, Voice of Gaea and a land named Argoth, Sanctum of Nature, exile them, then meld them into Titania, Gaea Incarnate.