small improvement to jonts26's solution where i get 22 Victory Points
Turn 1: Pay $6 for SM, gaining Nomad Camp and Procession
Turn 2: NC + $2 for a watchtower
Turn 3: Draw NC, Nec, Proc, WT, SM
Proc(Nec) gaining a squire, trashing it and gaining a goons (and giving 4 actions) topdeck the goons
SM(NC) gaining a develop, gaining a squire, trashing it to gain a goons,topdecking goons, develop
play WT drawing develop goons,goons, 3xcopper
Dev(Goons) gaining KC, gaining cultist trashing to draw KC, C,C
KC(Goons) , 4 total buys, and $11 total
Buy 1 Colony 3 Coppers.
Final Score: 1xColony, 3x4=12 VP Chips =>22VP
And if i counted correctly this uses only 10 Kingdom Cards in the supply