Race:
Khajiit 8% crit bonus
or
Redguard 10% stamina + sustain
(Khajiit > Redguard > Imperial > Orc)

Mundus:
Use the Shadow mundus if your crit chance is >65%
Only pick Thief mundus if your crit dmg is at least >10% more then your crit chance. (Trap + Warhorn)
TBS = thief + Shadow

Most Ideal Gear setup: (Full medium *for more crit%)
1/1x Maelstrom Dagger / Axe (2x sharpend)
1x Maelstrom Bow (sharpend)
5x TBS
5x Vicious Ophidian

Gear Options:
1/1x Maelstrom Dagger / Axe (2x sharpend)
1x Maelstrom Bow (sharpend)
5x TBS for raid setup
5x Nightmothers gaze (stamina support) > Hundings rage
5x Alkosh for group support
2x Velidreth
3x Agility

Skills of intrest:
Noxious Breath, Vigor, Blade Cloak, Igenous Weapons and each fighers guild ability for a passive weapon dmg increase.

Cheap setup: (no potions)
Replace ''Razor Caltrops'' with ''Igneous Weapons''