[AndrewD2]

And example of them in use:

Add the required tags to the Class Special/Custom Ability
CasterType.?, CasterSrc.?, sClass.?, SplAttr.?, MaxSplAttr.?, CastInfini.? (currently only works for 0)

 
  var maxspell as number

  maxspell = 1

  call CustMagic

  var cast1 as number

  var know0 as number
  var know1 as number

  cast1 += 2

  if (field[xAllLev].value = 1) then
    know0 += 4  
    know1 += 2  
  elseif (field[xAllLev].value = 2) then
    know0 += 5  
    know1 += 3
  elseif (field[xAllLev].value = 3) then
    know0 += 6  
    know1 += 4  
  elseif (field[xAllLev].value = 4) then
    know0 += 6  
    know1 += 4  
  elseif (field[xAllLev].value = 5) then
    know0 += 6  
    know1 += 4  
  elseif (field[xAllLev].value = 6) then
    know0 += 6  
    know1 += 4  
  elseif (field[xAllLev].value = 7) then
    know0 += 6  
    know1 += 5  
  elseif (field[xAllLev].value = 8) then
    know0 += 6  
    know1 += 5  
  elseif (field[xAllLev].value = 9) then
    know0 += 6  
    know1 += 5  
  elseif (field[xAllLev].value = 10) then
    know0 += 6  
    know1 += 5  
  elseif (field[xAllLev].value >= 11) then
    know0 += 6  
    know1 += 6      
    endif

  call AdjSpellsC