Necro is great for tagging. Thief SB #2 (ae poison) with auto attack (up to to 3 targets?) in between can mark alot of enemies. Maybe even more than necros minus Epidemic on a good anchor in a zerg.
Ho/Neeho/Zorho/Hodown/Ephodemic
[SoCo] Solum Contego SoCo loco style!
Yak’s Bend