Bossk, Bounty Hunter

+2: Draw two cards, Each creature under your control gains +1/+1 counters equal to the combined mana costs of the two cards drawn in this way.
-X: Put X amount of -X/-X counters on a creature or X amount of Poison counters on a player. Gain X amount of life.
-8: Search your library for a card and cast that card without paying its mana cost. This card cannot be countered.