Kibtar, the Cursed

+1: Until the end of turn spells you cast costs 1 black or green mana less to cast for each 2 life you pay.
-3: Create a black treant creature token with defender and deathtouch, a base power and toughness of 1/5.
-5: You get an emblem "spells you cast cost 3 less. Everytime you cast a spell put a curse on counter on this, if it has 5 or more you lose the game.