Need help with a deck

Looking for some of my wants. Anything marked with "***" means they are my priority. Unless a trade ifvoles these cards, I will be hesitant to do the trade. Thanks!!
4 Aether Vial
***1 Beast Within***
2 Cavern of Souls
***1 Cinder Glade***
4 Collected Company
***1 Command Tower***
3 Darkheart Sliver
3 Diffusion Sliver
***1 Expropriate***
4 Galerider Sliver
1 Gemhide Sliver
3 Harmonic Sliver
1 Homing Sliver
***1 Island (Unhinged)***
1 Manaweft Sliver
4 Mutavault
3 Necrotic Sliver
3 Sedge Sliver
***1 Selvala, Heart of the Wilds****
4 Sliver Hive
1 Sliver Hivelord
***1 Storm Cauldron***
1 Syphon Sliver
1 Telekinetic Sliver