Shifting Sands

{t}, Pay 1 life: Add {w} to your mana pool.
{w}, {t}: Exile Shifting Sands and target nonbasic land an opponent controls. Return those cards to the battlefield tapped under their owners' control at the beginning of the next end step.
The ever changing Shefnet dunes make it impossible for cartographers to map the area. However, living on the edges feels like the Gods themselves are crafting a landscape for you to behold.