idk, i'm desperate for decent items, since i'm level 100 and had bad luck with drones and weapons. Got little stuff to upgrade my build in WEEKS so i just spent the time farming.
At this point i'm not sure if i'll have patience to save that much, i have 1681 tokens, it's hard to progress with a weak mech and there's some days with zero ads available. 15 packs will probably make progress much easier.