I'm a little bit concerned with Sandeep's defensive capabilities. 10 wounds 5/7 and Shield +2 is a bit weaker than almost any other summoner. Shields don't help that much, DF of 5 makes it easy to hit him in the face. No Protected(Elemental) also seems weird. No healing in his Keyword for him. Anybody else or it's just me?
As for the post above- Banasuva can DIE reeeealy fast (even with the SSCache). Idk if it is wise to throw him into action carelessly.
Also, don't know if its common tactic, but...
Tried taking lady Feng as a second master to Deep- abundance of scrap, Big Sized golems, Kandara's Stagger- compliment her abilities and her Bonus action pretty well. Giving Burning to enemy models makes your Fire Golem happier.