The Matilda II would be nice to have. True it would not dominate the feild but it would be unique.
Few facts:
Only british tank to server the length of the war.
It had very good armor for a 1938 tank,
Hull Front, Upper 45-782, 47@67°
Hull Front, Lower 78@0°
Hull Sides, Upper 65-702, 70@30°
Hull Sides, Lower 40@0° + 25@0° (side skirting)
Hull Rear 55@25°, 552
Hull Top 20@90°, 202
Hull Bottom 13-20@90°, 13-202
Turret Front 75@11°, 752
Turret Sides 75@0°, 752
Turret Rear 75@0°, 752
Turret Top 20@90°, 202
Its gun is a little on the weak side, but would be a danger to most most non-perk tanks under 1.5k
2 pdr (40 mm) Mk IX or Mk XDistance to target (yards): 500 1000 1500 2000
AP penertation (inch)at 30
o: 2.28 2.05 1.81 1.57
and its a little on the slow side. 15mph is top speed.
Pitty the Aussies never got the matilda hedgehog into battle