Corpses of the Lost [The Lost Caverns of Ixalan] Kirin Spirit Set: Weatherlight Type: Creature —

Set: Weatherlight Type: Creature — Human Cleric Rarity: Uncommon Cost: {2}{U} When Noble Benefactor dies

"Once Avacyn returned

search your library and/or graveyard for a non-Human creature card with mana value X or less and put it onto the battlefield

The same is true for permanent spells you control and nonland permament cards you own that aren't on the battlefield

Corpses of the Lost [The Lost Caverns of Ixalan] Kirin Spirit Set: Weatherlight Type: Creature —Set: The Lost Caverns of Ixalan Type: Enchantment Rarity: Rare Cost: {2}{B} Skeletons you control get +1 +0 and have haste. When Corpses of the Lost enters the battlefield, create a 2 2 black Skeleton Pirate creature token. At the beginning of your end step, if you descended this turn, you may pay 1 life. If you do, return Corpses of the Lost to its owner's hand. (You descended if a permanent card was put into your graveyard from anywhere.)