Nico, Sanguine Senator

Clause - When Nico, Sanguine Senator
enters the battlefield exile the top six cards of
each players library. Then;—
• If {w} was spent to cast it gain life equal to the
number of land cards exiled this way.
• if {u} was spent to cast it you may cast
noncreature cards exiled this way until the end of
your next turn.
• if {b} was spent to cast it each opponent loses life
equal to the number of creature cards
exiled this way.