Shiskar, The White Sands

Indestructible.
You and lands you control have Hexproof.
{t}, If three or more lands you control are tapped,
add {w} or {b} to your mana pool, if they are all deserts, add {w}{w} or {b}{b} instead. Otherwise add {c} to your manapool.
Tap three deserts you control: Destroy target enchantment or artifact.