I think they should incorporate a bonus pack for so many daily win packs or even daily log in packs. Say win 10 consecutive arena daily wins and unlock a pack that gives you a customization unlock and boosts.
Warzone would be customization, loadout or power weapon/vehicles and boosts after 10 daily wins.
Something similar could be used for daily log in except maybe extra boosts instead of unlocks.
For those that have everything unlocked they could get extra RP instead of an unlock item?