Koskun Falls [Homelands] Duel Enchanted land is a Swamp

Enchanted land is a Swamp

Set: Mirrodin Besieged Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with converted mana cost X or less

Set: Friday Night Magic 2005 Type: Artifact Rarity: Rare Cost: {4} {1}

the dwarven forces had reduced the mighty walls to mere rubble

Koskun Falls [Homelands] Duel Enchanted land is a SwampSet: Homelands Type: World Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.