Shepard, Normandy Commander

Shepard, Normandy Commander gets +1/+1 for
each color among other legendary permanents
you control.
{w}{u}{b}{r}{g}: Search your library for a legendary permanent card with converted mana cost less
than Shepard's power, put that card onto the battlefield, then shuffle your library.
"We will fight. We will sacrifice. And we will find a
way."