Book of Clouds

{1}, {t}: Scry 1. Put a cloud counter on Book
of Clouds.
{3}, {t}, Sacrifice Book of Clouds: Prevent all noncombat damage that would be dealt this turn. Activate this ability only if Book of Clouds has 3 or more cloud counters on it.
"Just as you reshaped those clouds, you have the
power to shape your own destiny." —Aunt Wu