Make a spell card:
LevelBrd 2, HB 2, Sor/Wiz 2, Wmg 2, Wuj 2
ComponentsV, S, M
Casting Time1 standard action
Recharge TimeGeneral
RangeLong (400 ft. + 40 ft./level)
TargetOne fire source, up to a 20-ft. cube
Duration1d4+1 rounds, or 1d4+1 rounds after creatures leave the smoke cloud; see text
Saving ThrowWill negates or Fortitude negates; see text
Spell ResistanceYes or No; see text