Gliding Skaab

Gliding Skaab enters the battlefield with four
+1/+1 counters on it.
Predeploy 2 - {1}{u} (You may cast this for its
predeploy cost. If you do, it enters the battlefield with
two +1/+1 counters instead.)
Flying
Gliding Skaab can't block if it has less than four
+1/+1 counters.