Art strike is bad unless you use both of them at the same spot anyway, and that’s a 50 sec CD for a small blast that you can dodge easily.[/quote]
Wrong, one Artystrike is enough damage to kill any Merc (and deployable) using 2 on the same spot without delay is wasting damage. Besides even if, the cooldown would still be only 2*20=40.
Extra supply is a good Augment after all Arty is a firesupport Merc more Ammo for everybody (including yourself) is never a bad thing.