Virguniah, the Pristine One

Flying, Protection from black, red, and from green (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black, red, or green.)
{w}{u}, {t}: Choose between black, red, or green. Target creature you control gains protection from the chosen color until end of turn.
{x}{w}{u}, {t}: Prevent the next X damage that would be dealt to target creature or player this turn. You gain X life.