Zane, Pack Diddler

Lifelink, Last Strike, Undeathtouch
Whenever a creature you control enters the battlefield or dies, you may gain 1 life and all opponents lose 1 life.
Whenever you gain life, you may draw a card.
{10}{w/b}{w/b}{w/b}{w/b}{w/b}{t} Sacrifice Zane, Pack Diddler:
Open a pack of any set and you may play cards
from that pack until the end of the game
without paying their mana costs'.