Undead Pilgrim

Succumb—When you cast this spell, an opponent
may pay {4}{b}. If they do, they gain Hexproof
until end of turn.
When Undead Pilgrim leaves or enters the
or leaves the battlefield, target opponent sacrifices
a creature or discards three cards.
{4}{b}{b}{b},{t}, Sacrifice three creatures: Each
opponent sacrifices five creatures and discards
two cards.