Tymaret, Chosen from Death (Theros Beyond Death)

Legendary Enchantment Creature — Demigod - Tymaret's toughness is equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)
{1}{B}: Exile up to two target cards from graveyards. You gain 1 life for each creature card exiled this way.