David Tilbury's page

This one is covered by the FAQ.

Resolution: On page 21 of the rulebook, replace Harsk's Potion of Vision with Holy Water, remove Seoni's Burglar, and give her a second Guide, and replace Sajan's Holy Water with Potion of Vision.

That said, don't feel beholden to those starting deck lists. You can swap in any other Basic option.

Good luck!

Thanks for your help Keith.

Just purchased Pathfinder Adventure Card Game. Went to back of rule book to use suggested deck lists.
Merisiel and Harsk. Both say in there item list Potion Of Vision. went through the cards and i have only got 1 card of potion of healing. Is there only one of these cards in the base set?