6 cards where the artist name includes “mark harrison”

Isochron Scepter (Double Masters #264)
Isochron Scepter (Duel Decks: Izzet vs. Golgari #16)
Isochron Scepter (Mirrodin #188)
Isochron Scepter (The List #MRD-188)
Jabari's Banner (Weatherlight #150)
Tolarian Drake (Weatherlight #55)

This search is finished. Now the real work can begin.