Advanced infantry

{1}{w}You may attach or unattach this creature to
an untapped mechanism you control. When being
unattached, return soldiers to their owners hands.
When mechanism is destroyed, and mana paid on
Mechanism, Soldiers return to battlefield tapped.
Advanced Soldiers power and toughness are added
to Mechanism.
{2}{w} {t} Put +1/+1 counter on Advanced infantry.
{g/w}{g/w} {t}Draw a card. If its a Soldier, put it into
play tapped.