Lanai, embodiment of sea

Reach, Protection from blue.
{u}{t}: add {u}{u}{u} to your mana pool
{u}{u}{u}{u}{u}: put all attacking into their
owners hand then Put a +1/+1 counter on Lanai.
{u}{u}{u}{u}{u}{t}: return all creatures into their
owners library.
The ocean blue is not only beautiful but also a fighter