Alueas, Greater Form

+2: Gain 2 life for each colorless creature you control. You lose 1 life for each colored creature you control.
-2: Place a +1/+1 counter on each creature you control. Until end of turn, they become colorless.
-12: You get an emblem with "Creatures you control are colorless, artifacts, and spells you own may instead be cast by paying 2 life."