New class idea

I was thinking of a new class that would be support since there isn’t enough support I feel.

Name: Body Builder.

Special: Boost yours, and a teammates, movement speed and Damage / Rate of fire I can’t tell which would be better. last from 5-10 seconds.
Description: Your motivational voice will be sure to give others a boost!

Combo: Places down an ammo bag that has 6 charges, when you pass through it your next weapon you pick up will get an ammo increase, maybe 25% more?
Description: You don’t just come prepared with speeches, you come prepared with bullets!