14 cards where the card types include “snake” and the card types include “shaman”

Forceful Cultivator (Alchemy: Kamigawa #29)
Orochi Eggwatcher // Shidako, Broodmistress (Champions of Kamigawa #233)
Orochi Leafcaller (Champions of Kamigawa #234)
Orochi Sustainer (Champions of Kamigawa #236)
Sachi, Daughter of Seshiro (Champions of Kamigawa #238)
Sakiko, Mother of Summer (Commander Masters #319)
Sakura-Tribe Elder (Duskmourn: House of Horror Commander #194)
Sakura-Tribe Scout (Saviors of Kamigawa #144)
Sakura-Tribe Springcaller (Betrayers of Kamigawa #142)
Shizuko, Caller of Autumn (Betrayers of Kamigawa #144)
Sidisi, Brood Tyrant (Khans of Tarkir #199y)
Sultai Flayer (Iconic Masters #186)
Sultai Skullkeeper (Ultimate Masters #75)
Sultai Soothsayer (Double Masters 2022 #279)

Though this query has ended, its relics still slumber in New Argive.