Koskun Falls [Homelands] Battle for Zendikar Prerelease Promos Set: Portal Three Kingdoms Type:

Set: Portal Three Kingdoms Type: Sorcery Rarity: Uncommon Cost: {1}{R} Rockslide Ambush deals damage to target creature equal to the number of Mountains you control

rounded up

and you decide whether to flip again

sacrifice Serendib Djinn

The lightning never left

Koskun Falls [Homelands] Battle for Zendikar Prerelease Promos Set: Portal Three Kingdoms Type:Set: 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.