Charon, Stygian Boatman

Deathtouch
At the beginning of your upkeep, if you don't
control a Treasure, exile Charon, Stygian Boatman.
Pay {b}: choose one-
•Sacrifice a Treasure: gain 3 life.
•Sacrifice two Treasures: draw three cards.
•Sacrifice {x}{x}{x} Treasures: search your library for
an artifact, sorcery or enchantment card with mana
value {x} or less, shuffle, then put that card on the
top of your library.