Psychosis Orb

At the beginning of your upkeep, discard a card
unless you pay {2}.
{t}, Sacrifice Psychosis Orb: Target opponent
reveals their hand. You choose a nonland card
from it. That player puts that card on the bottom
of their library. Activate only as a sorcery.
Dredge 3
Vedalken precision and ingenuity bent to sinister ends.