Missionary of the Apocalypse

{w}{w}{w}, {t}: Destroy all Plains.
{u}{u}{u}, {t}: Destroy all Islands.
{b}{b}{b}, {t}: Destroy all Swamps.
{r}{r}{r}, {t}: Destroy all Mountains.
{g}{g}{g}, {t}: Destroy all Forests.
{c}{c}{c}, {t}: Destroy all Wastes.