Ol' Pumpkinhead

Rampage {6}{b}{g} (You may cast this spell for
it's rampage cost. it enters the battlefield with X +1/+1 counters where X is equal to it's power.)
Other Scarecrows you control get +1/+3. if
Ol' Pumpkinhead is rampaging, they get
+X/+X instead where X is equal to Ol' Pumpkinhead's power.