Agroniggus, Pit Lord

+2: Create either a 3/3 Infernal Token with trample, or two 1/1 imp tokens. Gain 1 life.
-2: Sacrifice any creature you control, replace it with 3/3 Infernals equal to the power of selected creature. Pay life equal to that power.
-6: Create a 10/10 Pit Lord Creature Token with Trample, First-Strike and protection from spells. Sacrifice this planeswalker as an additional cost.