Astro, Dream Shaper

Astro, Dream Shaper enters tapped.
Whenever Astro Untaps, tap up to one creature and put a stun counter on it.

Whenever a stun counter is put onto a creature, put a +1/+1 counter on target creature you control. Each creature you control with a counter on it has ward - tap a permanent

{g}{u}{b}: Untap Astro, Dream Shaper