Roiling Conurbation

({t}: Add {r} to your mana pool.)
{r}, {t}, Sacrifice Roiling Conurbation: For each player, destroy target land that player controls. Roiling Conurbation deals one damage to you for each land destroyed this way.
"How do you intend to reclaim a city that's already claimed itself?"
~Vincent, Leader of Project Reclaiming Tommia