ty very much for that, im looking to get a playable version for like 10 refresh but this helps alot
This is an approximation in DV terms, not an exact conversion, but...
Beast Change [-1]
Inhuman Recovery [-2]
The Catch [+1]: requires contact with natural earth
Item of Power [+1]: Cold Iron Amulet
Physical Immunity [-8]
The Catch (Stacked) [+5]: only against mortal magic
Seelie Magic [-4]
The Sight [-1]
Total: -9 Refresh. If you want more than one free Refresh, or to add a stunt or something, replace Seelie Magic with an appropriate Ritual or Channeling, or possibly remove Beast Change or The Sight (whichever you think is less critical to the character).
Notes (spoilered for space): The actual effects of his cold iron amulet are significantly more impressive than this (vaporize fae with a touch), but this is reduced to be Submerged level. Similarly, he has multiple animal forms not just one, better strength and speed, etc.
Actually, Atticus' magic seems more limited than a wizard's full-on Evocation and Thaumaturgy, but broader than most Focused Practitioner's Channeling and/or Ritual, and it's derived from Gaia, so Sponsored Magic seems appropriate. Seelie Magic isn't actually all that similar in effects, but it's thematically similar, so...
He can only use full-on attack evocations against "unnatural" creatures (like demons and vampires), but they are incredibly powerful (instantly destroys any vampire however powerful). He destroys demons with "Cold Fire", but it's completely exhausting.
He regularly casts "camouflage" (a veil), increases his own strength/speed/etc. (Biomancy as Evocation via Seelie Magic), and binds/unbinds things (generally Evocation Blocks and Maneuvers in combat...)
PS: I'd suggest an accurate-to-the-books build would be somewhere in the range of 20-25 Refresh, but it'd be highly dependent on what value you put on the "limited to contact with earth" bit (since it affects so much of his powers), so hard to judge exactly.