So looking at the suggestions above and going off the two tables, this is what I get:

For 1 point:

+10,000 gold

+10,000 food

+10,000 population

Raise Ambassador to Governor

Raise Agent L2 to L4

New Agent L2

New Captain

Raise Adept to Pow-1

For 2 points:

Red Elk Mount

Smoke Mojo

Scrying Mirror

Whowie Totem

Champion Stallions

Valyrian Steel

Knowledge Totem

Renowned Standard

+1 Influence

+10,000 Defense

New Bazaar

New Temple

New Forum

New Granary

New Thieves Guild

New General

New Agent L4

Brigade, green (not RD/GI)

Raise Regular Brigade to Veteran

Foreknowledge (Excellent, Random)

+2 Fleet Quality

Foreknowledge (Fine, Capital)

For 3 points:

Cloak of Disguise

Amulet of Protection

Guardian Talisman

Black Owl Totem

New Governor

New Adept

Raise Pow-1 to Pow-2

For 4 Points:

New Baron

Onyx Amulet

New Agent L7

New Marshall

RD/GI Brigade, Green

Raise RD/GI Regualr Brigade to Veteran

New Pow-1

Raise Veteran Brigade to Elite (not RD/GI)

5 Points: New Count

6 Points:

New Duke

New Agent L10

Raise Pow-2 to Pow-3

Raise Pow-3 to Pow-4

7 Points:

New Prince

New Pow-2

8 Points:

New Agent L13

RD/GI raise Veteran Brigade to Elite

9 Points:

New Consul

New Demon Prince

Raise Pow-5 to Pow-6

10 Points: New Agent L16

12 Points:

New Agent L19

Raise Pow-4 to Pow-5

Raise Pow-7 to Pow-8

13 Points: New Pow-3

18 points: Raise Pow-6 to Pow-7

19 Points: New Pow-4

31 Points: New Pow-5

40 points: New Pow-6

58 points: New Pow-7

70 Points: New Pow-8

So to keep it balanced, at least 80 points is needed. Or we could just go with 100.

For 1 point:

+10,000 gold

+10,000 food

+10,000 population

Raise Ambassador to Governor

Raise Agent L2 to L4

New Agent L2

New Captain

Raise Adept to Pow-1

For 2 points:

Red Elk Mount

Smoke Mojo

Scrying Mirror

Whowie Totem

Champion Stallions

Valyrian Steel

Knowledge Totem

Renowned Standard

+1 Influence

+10,000 Defense

New Bazaar

New Temple

New Forum

New Granary

New Thieves Guild

New General

New Agent L4

Brigade, green (not RD/GI)

Raise Regular Brigade to Veteran

Foreknowledge (Excellent, Random)

+2 Fleet Quality

Foreknowledge (Fine, Capital)

For 3 points:

Cloak of Disguise

Amulet of Protection

Guardian Talisman

Black Owl Totem

New Governor

New Adept

Raise Pow-1 to Pow-2

For 4 Points:

New Baron

Onyx Amulet

New Agent L7

New Marshall

RD/GI Brigade, Green

Raise RD/GI Regualr Brigade to Veteran

New Pow-1

Raise Veteran Brigade to Elite (not RD/GI)

5 Points: New Count

6 Points:

New Duke

New Agent L10

Raise Pow-2 to Pow-3

Raise Pow-3 to Pow-4

7 Points:

New Prince

New Pow-2

8 Points:

New Agent L13

RD/GI raise Veteran Brigade to Elite

9 Points:

New Consul

New Demon Prince

Raise Pow-5 to Pow-6

10 Points: New Agent L16

12 Points:

New Agent L19

Raise Pow-4 to Pow-5

Raise Pow-7 to Pow-8

13 Points: New Pow-3

18 points: Raise Pow-6 to Pow-7

19 Points: New Pow-4

31 Points: New Pow-5

40 points: New Pow-6

58 points: New Pow-7

70 Points: New Pow-8

So to keep it balanced, at least 80 points is needed. Or we could just go with 100.