wiz·ard·ry 
(wĭzər-drē)
(wĭzər-drē)n. pl. wiz·ard·ries
1. The art, skill, or practice of a wizard; sorcery.
2.
a. A power or effect that appears magical by its capacity to transform: computer wizardry.
b. Great ability or adroitness in a pursuit: a pianist gifted with technical wizardry.