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.)
![March of Swirling Mist (Extended Art) [Kamigawa: Neon Dynasty] | Grognard Games](http://grognardgames.com/cdn/shop/files/3a5e72c2-e229-43c9-9e5a-df4754732d19_a0e58ee8-ef02-40d2-8eec-f668cb2974dc.png?v=1756232855)
