I'm not sure why after having bought millions of colonies I still think they give 11 vp. Lets try again.
Start with 4 king's courts and an ironworks. Play out the king's courts together then ...
- Ironworks x3 gains ironworks, great hall (drawing ironworks), steward
- Ironworks x3 gains feast, workshop, great hall (drawing great hall)
- Great hall x3 draws steward, feast, workshop
- Feast x3 gains library, mint, horn of plenty
- Workshop x3 gains copper, monument, silver
- Steward x3 draws the discard pile (6 cards, leave silver on deck)
- Mint x 3 gains three horns of plenty
Play monument for 1 vp
Play the great hall and library to draw the discard pile
Play the copper, silver, and 3 of the horns of plenty, exchanging three of the horns of plenty for 3 colonies
Keep the last horn of plenty as a souvenir.
Kingdom cards - King's court, horn of plenty, mint, library, feast, ironworks, monument, workshop, steward, great hall