Demonic Hordes (CE) [Collectors’ Edition] Future and lands you control have

and lands you control have indestructible

That land is a Swamp for as long as it has a mire counter on it

Set: New Phyrexia Type: Sorcery Uncommon Cost: {2}{G}{G} Until end of turn

Artifact construction required immense resources

Set: Unlimited Edition Type: Land — Plains Swamp Rare Cost: ({T}: Add {W} or {B}

Demonic Hordes (CE) [Collectors’ Edition] Future and lands you control haveSet: Collectors Edition Type: Creature Demon Rare Cost: {3}{B}{B}{B} {T}: Destroy target land. At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice. Created to destroy Dominia, Demons can sometimes be bent to a more focused purpose.