Nergigante*

{w}{b}: Destroy target creature blocking or
blocked by Nergigante*.
{u}{r}: Nergigante* gains flying until end of turn.
{b}{g}: Regenerate Nergigante*.
{r}{w}: Nergigante* gets +1/+1 until end of turn.
{g}{u}: Put Nergigante* on top of its owner's
library.
*Nergigante is Cromat