Koskun Falls [Homelands] Nissa you may return that card

you may return that card to the battlefield under your control

sacrifice Koskun Falls unless you tap an untapped creature you control

sacrifice Season of the Witch unless you pay 2 life

Set: Arabian Nights Type: Creature — Djinn Rarity: Rare Cost: {2}{U}{U} Flying

but you may put it on top of your library instead of into your graveyard

Koskun Falls [Homelands] Nissa you may return that cardSet: 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.