Catheassa, False Salvation

Indestructible
Each opponent discards two cards, sacrifices a creature, and loses five life.
You may draw up to two cards and gain five life.
{u}{b}{r}: When Catheassa, False Salvation enters
the battlefield, each player exiles the top X cards
of their library, where X is the amount of mana
spent to cast Catheassa, False Salvation.