Alteration idea for Firebird: Napalm: Firebird could light the ground on fire for a short period of time, putting burning effect on tanks passing trough the flames. Once activated, this perk would keep the weapon firing until all it's fuel is used up. After emtying all its fuel players would have to wait until it fully reloads to be able to fire again. Then the perk would have to recharge too. A less cool but simplyer execution is modifying the zero supply ability so it puts burning effect on enemies instead of the powerups on friends. Alteration idea for Freeze: Frozen ground: Same as above with the firebird but with the slowing effect. Another possibility is if a tank interacts with the affected piece of ground is making the ground slippery so a fast tank would loose control over its direction of movement (sliding towards the direction from witch he entered the frozen area).

Alteration ideas for Magnum: Siege mode: After setting up a power level you could fire with the same settings by pressing space for a short time (like arcade mode for shaft) but it would take longer to set up a power level (easier to set power level but disadvantage in close combat situations) and slower reload. Cluster shells: Deals the same damage everywhere in it's range. (No higher damage when hitting a target directly but equal damage everywhere in the range of explosion). Assault gun: Quicker reload, faster power chargeup but significantly smaller range of splash damage. (Colse combat setup)

I would add a hull same size as hornet and wasp but with the armor and weight of a viking or dictator. It would be useful for players using shaft or magnum as they could fit in the same small places as a wasp while can't be killed so easily. The speed of this hull would be like a titan's or dictator's.