Avatar Aang

When you cast Avatar Aang, search your library
for a Bender creature card and put that card
into your hand. The shuffle your library.
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}: Whenever you control a white, blue, green, and red Bender creature, you
may pay the cost. If you do, Avatar Aang gets
+7/+7 and has flying, double strike, and
protection from everything.