Shelly, Electric Merc

Reach, Deathtouch
{5}{b}{b}, Discard two cards at random: Return Shelly, Electric Merc from your graveyard to the battlefield under your control. Put a bounty counter on target permanent an opponent controls.

Whenever a permanent an opponent controls with a bounty counter is put in the graveyard, you may search your library for a card and put it in your hand, then shuffle your library.