Horror of Ashen Mist

Trample, menace
Whenever Horror of Ashen Mist deals combat damage to a player, that player discards that
many cards.
At the beginning of your upkeep, sacrifice a nonlegendary creature or pay 5 life.
At the beginning of each opponent's upkeep, if that player has no cards in hand, they lose 5 life.
"Beware that which lurks in the dark..."