March of Wretched Sorrow

Prozession des elenden Kummers (March of Wretched Sorrow) (de)

Instant (CMC 1)
As an additional cost to cast this spell, you may exile any number of black cards from your hand. This spell costs 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.