Flare of Malice is a rare Instant card from Modern Horizons 3 (MH3), collector number 408. Current market price: $4.83 (foil $11.40), TCGplayer market prices via Scryfall.
You may sacrifice a nontoken black creature rather than pay this spell's mana cost. Each opponent sacrifices a creature or planeswalker with the greatest mana value among creatures and planeswalkers they control.