Osa Rubrum, Bane of Light

: Whenever a creature dies, put 2 loyalty counters onto Osa Rubrum, Bane of Light.
: At the beginning of your upkeep, sacrifice a permanent. if you can't, exile Osa Rubrum, Bane of Light and all cards in your graveyard.
-3: Target opponent chooses a permanent card in your graveyard. You put it onto the battlefield under your control.