Khorez, Spark Engine

: Whenever another creature dies you may pay 2 life, if you do draw a card and put a loyalty counter on Khorez, Spark Engine.
-2: Create up to two 1/1 colorless Construct artifact creature tokens and put either a first strike or deathtouch counter on each.
-8: Return up to two target creature or artifact cards with converted mana cost four or less from graveyards to the battlefield under your control.