Hegemony Reinforcements

Whenever a Soldier leaves or enters the battlefield, you may pay {1}{u}; if you do,
create a 2/2 blue Hegemony Soldier.

Whenever three or more Soldiers you control attack or block, Soldiers you control get +1/+1 until end of turn.

{3}{u}; Create a 2/2 blue Hegemony Soldier.