Thaumaturge
From the OED:
“A worker of marvels or miracles; a wonder-worker.
1715 M. DAVIES Athen. Brit. I. 125 Petavius..attainted..Origen’s wonder-working Scholar Gregory the Thaumaturg, with Præarianisme. 1760 WESLEY Jrnl. 20 Dec., You throw out a hard word,..Thaumaturg. 1826 SOUTHEY Vind. Eccl. Angl. 479 The Thaumaturge..knelt before the Image to intercede for them. 1860 Sat. Rev. X. 269/2 The half-maudlin, half-cheating thaumaturg. 1881 Athenæum 12 Mar. 363/2 Pious mythologists have made out that she [St. Frideswide] was a thaumaturge of the first order.”
Famous thaumaturges (alternate orthographies: thaumaturgist, thaumaturgus) include:
— David Copperfield (the magician, not the book)
Biblioklept 