Titania, Protector of Argoth is a mythic Legendary Creature — Elemental card from Mystery Booster 2 (MB2), collector number 249. Current market price: — (foil $194.16), TCGplayer market prices via Scryfall.
When Titania enters, return target land card from your graveyard to the battlefield. Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.