You could make it work if you stick to a single element i.e only poison. If you equip Painless with Wyrd set and 2x Xorine rings, you could spread punishers all over the screen when you farm. I never tried a cold variation but I ran the poison one earlier when I was pushing my druid to lvl 140.
There is a video on Youtube of K9's siege bear druid from earlier this season using
Void-Touched
Void-Touched
Maple Bow (Sacred)
(Druid Only)
Required Level: 100
Required Dexterity: 3000
Item Level: 120
Innate Fire Damage: (62.0% of Dexterity)
+5% Innate Elemental Damage per Character Level above 137
15% Chance to cast level 1 Corrupted Vines on Death Blow
Adds 250-350 Fire Damage
-20% to Enemy Fire Resistance
Physical Resist 10%
50% Magic Find
Requirements +400%
Hunter Only Upgrade:
Must have at least 3000 Dexterity
Survive the Edge of Nothingness battle for 11 minutes
Transmute in the Horadric Cube to Upgrade
Socketed (6)
for the powerful proc, though I'm not sure if he was stacking poison spell dmg.