19 cards where the illustration contains “snake-hair”

Archetype of Finality (Born of the Gods #58)
Coils of the Medusa (Weatherlight #65)
Contentious Plan (War of the Spark #46)
Evolutionary Leap (Magic Origins #176)
Felhide Petrifier (Journey into Nyx #70)
Gaze of Granite (Dragon's Maze #72)
Giant Mana Cake (Unfinity Sticker Sheets #25)
Gorgon's Head (Born of the Gods #158)
Infernal Medusa (Legends #108)
Keepsake Gorgon (Theros #93)
Korozda Gorgon (Dragon's Maze #78)
Norn's Decree (Phyrexia: All Will Be One Commander #9)
O-Kagachi, Vengeful Kami (Commander 2017 #45)
One with the Stars (Theros Beyond Death #59)
Pharika's Spawn (Theros Beyond Death #112)
Rattleback Apothecary (Outlaws of Thunder Junction #100)
Reaper of the Wilds (Fate Reforged Clash Pack #4)
Venomous Hierophant (Theros Beyond Death #122)
Voracious Typhon (Theros Beyond Death #203)

In the blink of an eye, they strode from deep snow to the end of this search.