phaseshop:
    inherit: buyshop
    parameters:
        items:
        - item: phase
          cost: 1000
              

phaseshop:
    inherit: buyshop
    parameters:
        spells:
        - item: phase
          cost: 1000
              

Use spells for spellshops so it doesn't show spells you already have
Use spells for spellshops so it doesn't show spells you already have
