Censor of the Void

Devoid (this card has no color)
Flying, Indestructible
{b}{r}{1}: Destroy all white creatures
{r}{g}{1}: Destroy all blue creatures
{g}{w}{1}: Destroy all black creatures
{w}{u}{1}: Destroy all red creatures
{u}{b}{1}: Destroy all green creatures
"Man, nothing gets past this guy."