Kathari Remnant [Planechase Anthology]Set: Planechase Anthology Type: Creature Bird Skeleton Rarity: Uncommon Cost: {2}{U}{B} Flying {B}: Regenerate Kathari Remnant. Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)