March of Otherworldly Light

내세로 가는 빛의 행진 (March of Otherworldly Light) (ko)

Instant (CMC 1)
As an additional cost to cast this spell, you may exile any number of white cards from your hand. This spell costs less to cast for each card exiled this way.
Exile target artifact, creature, or enchantment with mana value X or less.