Koskun Falls Tweet Near Mint, English, limit 10 $3.25 Buy This Product Details Color: Black Card Text: 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 he or she controls that's attacking you. Rarity: R Cost: 2BB Card Type: Enchantment Name: Koskun Falls Finish: Regular Set Name: Homelands