
Lord of the Forsaken | Creature | Demon | Flying, trample
{B}, Sacrifice another creature: Target player mills three cards.
Pay 1 life: Add {C}. Spend this mana only to cast a spell from your graveyard. | Kekai Kotaki
4.5 LSV

Dreadhound | Creature | Demon Dog | When Dreadhound enters the battlefield, mill three cards. (Put the top three cards of your library into your graveyard.)
Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life. | Joe Slucher
3.5 LSV