The Soul Consumer

Reach, Trample, Partner, Ward - Mill a card

Whenever The Soul Consumer or another Horror
or Titan creature you control enters/leaves the battlefield, you may Learn. If the Soul Consumer
has the greatest toughness on the battlefield, each opponent loses 3 life.

{w/b}{t}: Sacrifice an artifact. Deal 1 damage to each opponent and gain life equal to the damage dealt this way.