Dragos, Wereraven

+1: Put X 1/2 blue and black Raven token with flying onto the battlefeild, where X is the amout of Ravens you control
0: Target player sacrifices a creature, transform Dragos, Wereraven
-8: You get an emblem with "When you cast a spell, Put a 1/2 blue and black Raven token with flying onto the battlefeild."