Xavi, The Hurricane's Force

Forcast - {w/u}{w/u}, Reveal Xavi from your hand,
If you control a blue and white permanant reveal
the top card of your library. If its cost is even
draw it, if is odd gain life equal to its casting cost.
Vigilance
If Xavi deals combat damage to a creature that
creature does not untap as long as Xavi remains
on the battlefield.