51 cards where the color identity ≤ GUW and the set is “c18” and the lore includes “enchantment”

Soul Snare (Commander 2018 #76)
Wild Growth (Commander 2018 #165)
Eel Umbra (Commander 2018 #89)
Fertile Ground (Commander 2018 #147)
Ground Seal (Commander 2018 #149)
Herald of the Pantheon (Commander 2018 #151)
Khalni Heart Expedition (Commander 2018 #154)
Boon Satyr (Commander 2018 #132)
Cloudform (Commander 2018 #83)
Consign to Dust (Commander 2018 #136)
Dictate of Kruphix (Commander 2018 #86)
Dismantling Blow (Commander 2018 #66)
Enchantress's Presence (Commander 2018 #141)
Estrid's Invocation (Commander 2018 #8)
Ever-Watching Threshold (Commander 2018 #9)
Kruphix's Insight (Commander 2018 #155)
Lightform (Commander 2018 #68)
Myth Unbound (Commander 2018 #32)
Overgrowth (Commander 2018 #157)
Reclamation Sage (Commander 2018 #159)
Snake Umbra (Commander 2018 #162)
Tuvasa the Sunlit (Commander 2018 #47)
Unflinching Courage (Commander 2018 #192)
Unquestioned Authority (Commander 2018 #78)
Vow of Flight (Commander 2018 #110)
Vow of Wildness (Commander 2018 #164)
Yavimaya Enchantress (Commander 2018 #167)
Ajani's Chosen (Commander 2018 #61)
Bear Umbra (Commander 2018 #131)
Dawn's Reflection (Commander 2018 #139)
Eidolon of Blossoms (Commander 2018 #140)
Estrid, the Masked (Commander 2018 #40)
Kestia, the Cultivator (Commander 2018 #42)
Return to Dust (Commander 2018 #71)
Sage's Reverie (Commander 2018 #72)
Thopter Spy Network (Commander 2018 #107)
Acidic Slime (Commander 2018 #127)
Celestial Archon (Commander 2018 #64)
Finest Hour (Commander 2018 #180)
Octopus Umbra (Commander 2018 #11)
Primordial Mist (Commander 2018 #12)
Righteous Authority (Commander 2018 #188)
Sigil of the Empty Throne (Commander 2018 #74)
Whitewater Naiads (Commander 2018 #112)
Akroma's Vengeance (Commander 2018 #62)
Archetype of Imagination (Commander 2018 #81)
Banishing Stroke (Commander 2018 #63)
Epic Proportions (Commander 2018 #142)
Nylea's Colossus (Commander 2018 #33)
Silent Sentinel (Commander 2018 #75)
Spawning Grounds (Commander 2018 #163)

The message was clear to Sorin—time to search for something else.