Pemmin's Aura [Scourge] Darksteel sacrifice Koskun Falls unless you

sacrifice Koskun Falls unless you tap an untapped creature you control

you get the city's blessing for the rest of the game

Set: Battlebond Type: Land Rare Cost: Bountiful Promenade enters the battlefield tapped unless you have two or more opponents

When The Scarab God dies

Set: Limited Edition Alpha Type: Sorcery Rare Cost: {3}{W} Destroy all lands

Pemmin's Aura [Scourge] Darksteel sacrifice Koskun Falls unless youSet: Scourge Type: Enchantment Aura Uncommon Cost: {1}{U}{U} Enchant creature {U}: Untap enchanted creature. {U}: Enchanted creature gains flying until end of turn. {U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.) {1}: Enchanted creature gets +1 1 or 1 +1 until end of turn.