Koskun Falls [Homelands] Battle for Zendikar Prerelease Promos The earth's real treasure is

The earth's real treasure is far deeper

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

then sacrifice it unless you pay its upkeep cost for each age counter on it

rounded up

The lightning never left

Koskun Falls [Homelands] Battle for Zendikar Prerelease Promos The earth's real treasure isSet: 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.