Sponsored Magic is normally 4 Refresh. You get one off for Evo or Thaum. Now, you wouldn't have the ability to accrue debt to boost powers or new elemental focus option (like Summer or Winter), but you also wouldn't have the sponsor's agenda to deal with. So, if you've got Thaum and Evo, I'd say two refresh for a single type (like transformation magic). If you only have Thaum, I'd price it at 3. If you only have Evo, I don't think it'd be possible.