Alissa, the Red Knight

Alissa, the Red Knight get +2/+2 and has flying
as long as you control a Dragon. Alissa also has
lifelink if that Dragon is white, hexproof if it's
blue, deathtouch if it's black, first strike if it's
red, and vigilance if it's green.
Dragon spells you cast costs {w}{u}{b}{r}{g} less to
cast as long as you don't control a Dragon.
"The flames of dragons will not be quenched by stones
of a false sun."