Sissy, Weatherlight Captain

Sissy, Weatherlight Captain 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 mana value less than Sissy's power, put that card onto the battlefield, then shuffle.
Captain Sissy, is a title you earn with favours for the crew-Garruk