March of Swirling Mist (Showcase) Finish:Nonfoil Whenever Ureni enters or attacks

Whenever Ureni enters or attacks

Vehicles you control have flying

Sacrifice an artifact: Target player mills three cards

Creatures you control get +10/+10 and gain vigilance until end of turn

if that player has another opponent who isn't being attacked

March of Swirling Mist (Showcase) Finish:Nonfoil Whenever Ureni enters or attacksAs 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.)