Bender Bending Rodriguez

+1: Pay up to 2 life, add X black mana to your mana pool where X is equal to the life payed this way.
-4: Sacrifice a creature: search your library for a card and put it into your hand, then shuffle your library.
-8: Create three black 1/1 Robot creature tokens with deathtouch, lifelink and "You win the game if you have 21 life during your upkeep."