Yrothal, Flaming Courier

: When ever a creature you control dies, create a 1/1 white red spirit with Flying
X: Sacrifice X creatures you control, create an X/X White Red Black Angel Berserker with Flying and Vigilance
-12: You get an Emblem with "Creatures you control gain +3/+0 Haste, Deathtouch and Indestructible"