Meharlat, the Keeper

As an additional cost to cast Meharlat, sacrifice five creatures, discard 5 cards, you lose five life, and target opponent gains five life.
Flying, menace, shroud, indestructible, wither
{5}, exile Meharlat: Exile five creatures, you gain five life, target opponent loses five life, untap five creatures, and up to five creatures gain deathtouch until end of turn.