Here's the playlist I've created for Mummy's Mask:
Albums:
Vas - Feast of Silence
Arcana - As Bright As A Thousand Suns
Azam Ali - From Night To The Edge Of Day
Arcana - The New Light
Irfan - Seraphim
Peter Gabriel - Passion
Solace - Ahsas
Shiva in Exile - Ethnic
Karl Saunders - Saurian Exorcisms
Niyaz - Sumud Acoustic EP
Niyaz - Nine Heavens (acoustic tracks only)
Raquy And The Cavemen - Release the Green Lover
Tracks:
Knossos - Al Sahid
Knut Avenstrop Haugen - Age of Conan - Stygian tracks
Geomatic - Protomorphic Deception
Robert Rich, Steve Roach - Soma
Robert Rich, Steve Roach - Love Magick
Nils Petter Molvaer - Mercury Heart
If that's not enough for you, check other albums by Vas, Azam Ali, Solace, Irfan & Arcana. If you like darker tunes you might want to check Usumgal Kalamma and Buried Under Time And Sand by dark ambient artist Herbst9.