The four 'add ons' included in'The power of the Sultan' are:-
The Caravan
Cards and markers.
These special cards can be taken. Every turn you may increase the indicated amount of money on the card and use it to buy buildings.
The Art of the Moors
Tiles.
With these tiles you can get extra points for the amount of buildings you have of the same value.
The power of the sutan
Cards and a dice.
You can buy the card for 7 of the indicated color. Then you role the dice and mark the building on the card. When a new building of that color is added to the building site, you can take it, even if it is not your turn.
New Score cards
At the beginning of the game you draw 3 tiles which show different rankingorders for the buildings for the three valuations.