Land of the Sky

Land of the Sky enters the battlefield tapped.
{t}: Add one mana of any color. You lose 1 life.
{3}{u/r}: Until end of turn, Land of the Sky
becomes a 3/3 blue and red Construct creature
with hexproof. It's still a land.

It was formed by ninja from several countries that
could contort their chakra into mist in order to fly.