Yelekai, The Conjuror

: As long as Yelekai, The Conjuror is on the battlefield, all Zombie creatures gain +1/+1 and Lifelink.
-3: Add X black Zombie tokens with 1/1 and Deathtouch to the battlefield. Lose X life.
-X: Shuffle X target Zombie cards from your graveyard into your deck. Draw X cards. You have no maximum hand size.