reno mtg card and Rude and mana of any type can be spent to cast it. Reno And Rude X4 M/NM

But Roiling Vortex offers other abilities that make it an attractive choice for a deck for just two mana

While the ability to evade counter magic is almost irrelevant the being blue enhances the worth of the spell

The deck also contains spells like The Eldest Reborn and Beacon and Unrest, which can reanimate creatures from any graveyard

If you warp it for just , you get the creature and the effect right away, Mechanozoa goes into exile at the beginning of the next end step, and you can cast it on a later turn

Here are my decks for the first 7: The first was built around Hidetsugu, Devouring Chaos - Commanding Hidetsugu, Devouring Chaos | Article by Abe Sargent (coolstuffinc.com)

He Orbed my Swamp, and cast Sedge Troll