Royal Hipogryph Knight

Flying
Chivalry(You may tap any number of human
creatures you control as you cast this spell. Put a
+1/+1 counter on each creature tapped this way.)
When Royal Hipogryph Knight enters the battlefield, you may reveal another knight
creature from your hand. If you do, create a 1/1
white human peasant creature token
tapped with a +1/+1 counter on it.