Grief is a mythic Creature — Elemental Incarnation card from Modern Horizons 2 Promos (PMH2), collector number 87s. Current market price: — (foil $7.88), TCGplayer market prices via Scryfall.
Menace When this creature enters, target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Evoke—Exile a black card from your hand.