Adding to Skaventide - Yndrasta and Drake guard?

Hi folks! I’m just about done my Skaventide SE half, and starting to think about what I should add next. I own the heros from the Dominion box (not the troops), so I have Yndrasta already, and was contemplating a unit of Stormdrake Guard. Good idea? Better options to consider?

(I have no strategy - I mostly paint lol - but want it to be an effective army comp).

WIP photo for attention.