Koskun Falls

Condition: Near Mint
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