Koskun Falls [Homelands] Future you may look at the

you may look at the top X cards of your library

tap Yawgmoth Demon and it deals 2 damage to you

Set: Innistrad Type: Enchantment Rarity: Rare Cost: {3}{G} If an effect would create one or more tokens under your control

It can't be regenerated

at the beginning of each of your upkeeps for the rest of the game

Koskun Falls [Homelands] Future you may look at theSet: 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.