this means they dont have a second color innately associated with them, so I can use them here
What makes it stand out is that the Lesson subtype is one of very few that is exclusive to Instants and Sorceries
Since there isn't really a whole lot more to say about playing Mystic Confluence (again, if you're playing blue in Commander, stick a copy in your deckyou won't be sorry), let's instead take a walk down memory lane and look at the history of flexible "choose one" modal spells in Magic
[follow this link to the non-artifacts post] There are so many artifacts in Mirrodin (nice!!!) that this is the best way to divide a large selection: artifacts and non-artifacts
For casual play, skip expensive duals like Underground Sea , they matter only at the highest competitive tiers
Again, the burden is more on getting the card in your Cube in the first place