Growing Legion

Place a counter on a creature that has that counter.
Evolve abilities cost {2} less for each non +1/+1
counter on that creature, until end of turn.
You may remove a counter from target balloon
or fish creature you control:
Create a 1/0 blue elemental token or a 0/1 white elemental token with flying and lifelink. Place a
+1/+1 counter on it. Scry 1.