Student of Still Waters

Prowess
At the end of your turn, if Student of Still
Waters is untapped, epiphanize X, where X is
the number of non-creature spells you cast this
turn. (Look at the bottom X cards of your library,
then put any number of them on the top of your
library and the rest on bottom in any order.)
When one can walk the river without stirring a ripple,
they shall know truth.