Marsh Canyon

Marsh Canyon enters the battlefield tapped.
({t}: Add {b} or {r})
{2}{b/r}, {t}: Until end of turn target creature you
contol gets +1/+0 and deathtouch if it's black
and +0/+1 and haste if it's red.
A.I. are able to traverse the rocky paths and deep
marshes to work in factories in the most remote places
in existence.