Koskun Falls [Homelands] Betrayers of Kamigawa 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

At the beginning of the next end step

Set: Modern Masters Tokens Type: Emblem — Elspeth Rarity: Common Artifacts

Ashnod works in living flesh

" —Toshiro Umezawa

Koskun Falls [Homelands] Betrayers of Kamigawa 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.