Sarkhan, Firestorm Leader

+4: Create a 5/5 red Dragon creature token with flying and haste.
+4: You get an emblem with,"Dragons you control get +2/+0 and have vigilance and trample".
-X: Sarkhan, Firestorm Leader deals X damage to any amount of targets. You lose 1 life for each target. This damage can't be prevented.