Striking Scorpions/Exarch

Mandiblasters - Beginning of the Fight phase,
pick an enemy unit in 1" of this unit. Roll a D6
for each model in this unit. 6's are mortal wounds
Masters of Stealth - 9" Deepstrike
Shadow Strike - Add 1 to hit rolls for attacks targeting a unit in cover
Sustained Attack - (Exarch) Hit rolls of 6+
generate another hit roll with the same weapon.
Extra attacks can't generate extra attacks
Weapons: Shuriken Pistol, Scorpion Chainsword, Scorpion's Claw (Exarch)