March of Swirling Mist (Showcase) - Kamigawa: Neon Dynasty - R - 372

Type: Instant

English Effect:
As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way.
Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

Efecto en Español:
Como coste adicional para lanzar este hechizo, puedes exiliar cualquier cantidad de cartas azules de tu mano. Te cuesta {2} menos lanzar este hechizo por cada carta exiliada de esta manera.
Hasta X criaturas objetivo salen de fase.