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I didn't understand how the hellfire traps combine with all the hydro attacks that extinguish. It isn't even a druid counter since most plants are rooted.
Personally, I think I would have replace 3 hellfire traps and 1 decoy with another hydrothermal vent, another shoalsdeep trident, another surging wave, leather gloves and bear strength. Then it could pass as a melee build (and with so few creatures and so few attack spells, you could kill enemy mages even if they tanglevine themselves or bring boots that make them unmovable).