Jain, God of Transmutation.

Jain, God of Transmutation isn't a creature unless
your devotion to Red, Green and Blue is greater
than ten
All Elementals gain {1}{r}{t}, search your Library
for a Construct and put it on top of your Library
All Constructs gain {1}{u}{t}, search your Library
for an Avatar and put it on top of your Library
All Avatars gain {1}{g}{t}, search your Library for
an Elemental and put it on top of your Library