Corrupt the Mind

Target opponent reveals his or her hand.
Until end of turn, you may cast target instant or sorcery spell that was revealed this way without paying its mana cost.
Overload {u}{u}{u}{r}{r}{r}(You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each".)
"You wont be needing these, I will put them somewhere safe."