Solitude is a mythic Creature — Elemental Incarnation card from Modern Horizons 2 Timeshifts (H2R), collector number 3. Current market price: $42.89 (foil $60.32), TCGplayer market prices via Scryfall.
Flash Lifelink When this creature enters, exile up to one other target creature. That creature's controller gains life equal to its power. Evoke—Exile a white card from your hand.