Without thinking about balance these are what I'd love to see added to Lizardmen.
S5 Kroxigor, never understood the S4.
Kroxigor Special Character Nakai and A tag team Skink Chief and Kroxigor Spawn Breathern.
Coatl, LvL 3 Flying monster.
Engine of the Gods has it's own slot.
Giant walking turtle, M4, high toughness and wounds, pitiful attack, no charge bonus against it. Rare.
Skink Horned One riders, fast cavalry.
Sacred Spawnings brought back.
Better magic items.
Slann's own magical lore.
Skink Priests have access to Heavens/Light/Life/Beast magic.
Razordon made worth taking.
Feral Saurus that can have either additional hand weapons or great weapons, no armor.
All one mans wet dream

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Giant Terradons.