Rewards

Oh boy you better not miss out on the rewards you get from Nakak during this Operation!

The Essentials

Eidolon Phylaxis
Picking this up once you hit the first rank with Nakak should be critical as it will immediately speed up your standing gain.
Rank: 1
Cost: 2,000 Standing & 4,000 Credits

Plague Star Emblem
Every Operation has them, the Plague Star Emblem can be placed on the shoulders of your Warframe or on your companions.
Rank: 0
Cost: 500 Standing & 1,000 Credits

The Mods

Fulmination
Feeling suicidal? Well this mods your best and last friend! It’s also exclusive to Operations so don’t delay if you want it today!
Rank: 0
Cost: 1,500 Standing & 3,500 Credits

Sacrifice
Ever thought the Carrier didn’t have the right name because it carries nothing? Well Sacrifice will let your Carrier (or other Sentinals) do what pubs can’t, spray that beautiful green mist on you, but at a price.
Rank: 0
Cost: 1,500 Standing & 3,500 Credits

The Weapons

Snipertron
The Legend… Nothing more to say.
Rank: 1
Cost: 3,000 Standing & 5,000 Credits

Ether Daggers
Meh. Mastery Fodder. You get this normally by completing Stolen Dreams, but if you want it back, then why not.
Rank: 1
Cost: 3,00 Standing & 5,000 Credits

The Zaw Parts

I would recommend looking up some Zaw vidoes about plague parts before deciding on what to buy. If you want my suggestion, check out the Fear the Reaper build which requires the Keewar and Bokwin. I would also make sure at least to grab the two strikes for MR Fodder.

Plague Keewar (Strike)
Rank: 3
Cost: 2,500 Standing & 3,000 Credits

Plague Bokwin (Grip)
Rank: 3
Cost: 2,500 Standing & 3,000 Credits

Plague Kripath (Strike)
Rank: 3
Cost: 2,500 Standing & 3,000 Credits

Plague Akwin (Grip)
Rank: 3
Cost: 2,500 Standing & 3,000 Credits

The Exodias

These can be crucial to crafting a powerful Zaw! Make sure to grab 10 of the one you want as it will allow you to craft a Tier 3 of that Arcane.

Contagion
Unleashes a projectile of Infested energy upon performing an aerial melee attack after a bullet jump or double jump
Rank: 2
Cost: 500 Standing & 1,500 Credits

Epidemic
Unleashes a shockwave of Infested energy that suspends enemies caught in the blast radius, generated from the melee ground slam performed immediately after a bullet jump or double jump
Rank: 2
Cost: 500 Standing & 1,500 Credits

The Rest

You can also grab a variety of regular Cetus objects such as fish components, gems, Fosfor Flares, pre-built forma and Cetus wisps for various prices, check them out. I wont bother listing them here as they are for the Completionists.