Hello and welcome to the game of infinite possibilities

With the Military Orders starter pack and the OP: Icestorm miniatures you have quite a lot of minis to pick from. If you aim for a 200 points list (which is a very good idea in the beginning), you might want to try a few things out before buying anything else. For now

Try using some lists with max 10 miniatures, to learn how your army plays, then you might want to decide whether you prefer low numbers of heavy infantry (good fo friendly games) or large numbers of light troopers (very efficient in official ITS tournaments).
A proposition for a list that utilises many types of troopers (provided you don't mind using your Order Sergeants as proxies for Fusilers with HMG):
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Group 1

10

0

1
FUSILIER Lieutenant Combi Rifle / Pistol, Knife. (
10)
FUSILIER Combi Rifle / Pistol, Knife. (
10)
FUSILIER Paramedic (MediKit) Combi Rifle / Pistol, Knife. (
12)
ORDER SERGEANT Combi Rifle / Pistol, Knife. (
13)
NISSE MULTI Sniper Rifle / Pistol, Knife. (1.5 |
34)
MAGISTER KNIGHT Panzerfaust, Light Shotgun / Pistol, EXP CCW. (
25)
CROC MAN Hacker (Assault Hacking Device) Combi Rifle, Antipersonnel Mines / Pistol, Knife. (0.5 |
36)
FUSILIER HMG / Pistol, Knife. (1 |
18)
FUSILIER HMG / Pistol, Knife. (1 |
18)
AKAL COMMANDO Combi Rifle + E/Mitter / Pistol, E/M CCW. (
24)
4 SWC | 200 PointsOpen with Army 5You have two basic Fusiliers, on of them your Lieutenant, so you might want to protect him. A Fusilier paramedic and an Order Seregant, mostly to cover your deployment zone and provide orders to the pool. There is a Nisse with MULTI Sniper rifle for some long range firepower. A crazy heavy hitter - Magister Knight with a Panzerfaust and Light shotgun (if you can get him to close combat, he's going to be deadly). A Croc-man infiltrator-hacker and Akal Commando to harass your opponent near his deployment zone. And finally - two Fusiliers with HMG - good Ballistic skill, low cost, heavy firepower.
Have fun!