Heavy Battlefield War Machine

Infinity for Soldiers.
Rogues you control costs 1 less to play.
Heavy, medium, and light war machines power
and toughness are equal to the number of Soldiers
and Commanders attached to it.
When a heavy, medium or light mechanism is
destroyed, all soldiers & Commanders attached
are destroyed unless you pay {1}{w} for each.
No Rogues can be attached to this mechanism.
When an opponent plays a while creature, Heavy
Battlefield War Machine 3 damage to it.