49 cards where the full Oracle text includes “whenever you cast a spirit or arcane spell”

Baku Altar (Betrayers of Kamigawa #152)
Blademane Baku (Betrayers of Kamigawa #95)
Bounteous Kirin (Saviors of Kamigawa #123)
Briarknit Kami (Saviors of Kamigawa #124)
Budoka Pupil // Ichiga, Who Topples Oaks (Betrayers of Kamigawa #122)
Callow Jushi // Jaraku the Interloper (Betrayers of Kamigawa #31)
Celestial Kirin (Saviors of Kamigawa #3)
Cloudhoof Kirin (Saviors of Kamigawa #31)
Cunning Bandit // Azamuki, Treachery Incarnate (Betrayers of Kamigawa #99)
Dreamcatcher (Saviors of Kamigawa #34)
Earthshaker (Champions of Kamigawa #165)
Elder Pine of Jukai (Saviors of Kamigawa #128)
Faithful Squire // Kaiso, Memory of Loyalty (Betrayers of Kamigawa #3)
Fiddlehead Kami (Saviors of Kamigawa #130)
Guardian of Solitude (Champions of Kamigawa #64)
Haru-Onna (Saviors of Kamigawa #132)
Hikari, Twilight Guardian (Modern Masters 2015 #18)
Hired Muscle // Scarmaker (Betrayers of Kamigawa #69)
Horizon Seed (Champions of Kamigawa #15)
Infernal Kirin (Saviors of Kamigawa #72)
Innocence Kami (Champions of Kamigawa #18)
Jade Idol (Champions of Kamigawa #256)
Kami of Fire's Roar (Champions of Kamigawa #174)
Kami of Tattered Shoji (Betrayers of Kamigawa #11)
Kami of the Hunt (Champions of Kamigawa #219)
Kami of the Painted Road (Champions of Kamigawa #23)
Kami of the Waning Moon (Champions of Kamigawa #120)
Kemuri-Onna (Saviors of Kamigawa #76)
Kiri-Onna (Saviors of Kamigawa #43)
Kodama of the South Tree (Champions of Kamigawa #223)
Kyoki, Sanity's Eclipse (Betrayers of Kamigawa #72)
Loam Dweller (Betrayers of Kamigawa #134)
Nikko-Onna (Saviors of Kamigawa #21)
Orbweaver Kumo (Champions of Kamigawa #231)
Ore Gorger (Champions of Kamigawa #182)
Oyobi, Who Split the Heavens (Crimson Vow Commander #95)
Petalmane Baku (Betrayers of Kamigawa #139)
Quillmane Baku (Betrayers of Kamigawa #48)
Scaled Hulk (Betrayers of Kamigawa #143)
Sire of the Storm (Crimson Vow Commander #113)
Skullmane Baku (Betrayers of Kamigawa #83)
Skyfire Kirin (Saviors of Kamigawa #113)
Soilshaper (Champions of Kamigawa #243)
Soul of Magma (Champions of Kamigawa #189)
Tallowisp (Betrayers of Kamigawa #25)
Teller of Tales (Champions of Kamigawa #95)
Thief of Hope (Modern Masters 2015 #100)
Waxmane Baku (Modern Masters 2015 #38)
Yuki-Onna (Saviors of Kamigawa #120)

The arc of my blade has carved a path of light to the end of these results.