Atraxa, Now Sparked

+1: Put a +1/+1 counter on target creature you control. It is a Phyrexian in addition to its other types.
-3: Proliferate. Atraxa, Now Sparked phases out.
-8: You get an emblem with" Whenever you cast a spell, proliferate then proliferate again if that spells mana value was 5 or greater"