Venture Co. War Machine - Charged Shot - You can use Greater Invisibility during the channel and prevent the shots from landing on you.
Coin-Operated Crowd Pummeler
Footbomb Launcher - The bombs are valid targets for all kinds of spells, including things like Resonance (giving you extra damage) and Glacial Spike (rooting them and potentially wiping you).
Azerokk
Azerite Infusion - You can use Greater Invisibility on the fixate but it retargets when the Invisibility breaks. The mobs fixate on ranged players.