A new kroxigor model to work with would prob be the best addition for me. They are quite good on the table but the models are just soooo bad...
If it was a priest, 2 chameleons, a skink handler or 2 and a salamander that would be excellent. A bit of conversion work and we finally start...
You're on the right track with Koatl's Claw for sure. You could eventually run both the Sunclaw (3 saurus warrior units and 1 oldblood) and...
You can find bases on Amazon pretty cheap as well