Channeler of Thought

Morph {w/u}(You may cast this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
Null Value
When Channeler of Thought is turned face up, you may reveal a non-land card from your hand.
If you do, that card gain Madness {w}{u} until end
of turn. All other cards in your hand gain Null
Value until end of turn.