March of Wretched Sorrow [Kamigawa: Neon Dynasty Prerelease Promos]Set: Kamigawa: Neon Dynasty Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{B} As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs {2} less to cast for each card exiled this way. March of Wretched Sorrow deals X damage to target creature or planeswalker and you gain X life.