Roaming Cliff Crawler

Roaming Cliff Crawler enters the battlefield tapped.
{1}{r/w}{r/w}: Until the end of the turn, Roaming Cliff Crawler becomes a 6/2 red and white creature with trample and haste.It's still a land. Exile Roaming Cliff Crawler during the end step this ability is activated.
{t}: Add {r}{r}, {w}{w}, or {r}{w} to your mana pool.