Wedge of Ophir

{t}: Remove 3 poison-counters from target player
or shuffle three cards from your graveyard into
your library. Add {b}
{b}Exert{t}: If your life total drops below 1,
your life total is 3 at the end of this turn.
..they did march forth one against another to battle;
and they fought all that day, and conquered not.
-Ether 15:15