Obsidian Sands

Obsidian Sands enters the battlefield tapped
unless there is a Desert in your graveyard.
{t}: Add {r} or {w}
{t}: Add {r}{w}. Obsidian Sands doesn't untap
during your next untap step. Activate this ability
only if you control eight or more lands.
Cycling {r/w}{r/w} ({r/w}{r/w}, Discard this card: Draw a
card.)