12 cards where the artist name includes “joel thomas”

Controvert (Coldsnap #30)
Copy Enchantment (Ravnica Remastered #39)
Deepfire Elemental (Commander 2013 #185)
Genju of the Spires (Masters 25 #132)
Giant Growth (Magic Online Promos #35824)
Granny's Payback (Unhinged #99)
Orochi Leafcaller (Champions of Kamigawa #234)
Psychic Puppetry (Champions of Kamigawa #80)
Sewerdreg (Ravnica: City of Guilds #104)
Shambling Shell (Duel Decks: Izzet vs. Golgari #57)
Squall Drifter (Coldsnap #17)
Unearthly Blizzard (Champions of Kamigawa #196)

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