Chroma, Dragon Knight

{g}: Create a 2/2 omni-color Warframe creature
token with flying named Chroma's Pelt.
Chroma gets -2/-2 until this token leaves the battlefield
{1}: Chroma becomes colorless or the colors of
your choice until end of turn.
{0}: Sacrifice Chroma's Pelt.
Activate this ability only once per turn.
{u}{u}{r}{r}: Chroma and another target creature
you control get +2/+2 until end of turn.