I think this suggestion will balance lockdown because:

1. Being able to see in lockdown prevents truly great gameplay
2. Weapons like polaris that are mostly just pure spam need a serious buff
3. Invisible bomb spam would be incredible, and would make bombs great again compared to swords
4. I just hate swords because lets face it, the bombs are cooler.
5. This will encourage the use of guardians, which would be able to actually do their job on occasion, since no one would know they were there.

There are 3 other solutions that will balance lockdown (and lockdown gear) not only in lockdown but also in the clockworks:

1. Increase the overall damage of lost souls + add them into the mix of lockdown.
2. Decrease the overall charge time of trojans, such that they can run across the map. Each lockdown team gets 1 trojan on their team.
3: Make movement speed increase increase your damage and grant additional asi, as faster objects should do more damage and be faster.