Ultimately, it reaches $48 here thanks to the inspired choice of Seedborn Muse
There is a good balance between power and speed that you want to reach, and in cube for these kinds of archetype, I find Putrid Imp to be too much of compromise on this balance
Set Championship foils, available only to the Top 8 finishers at end-of-season events at approved LGS locations, have seen massive price swings as a result
Just because something's a basic Pokmon doesn't mean it's bad though
And if you havent heard, theres a small (less than 0.0001%) chance of opening the only copy of a card in MTGs existence, so well surely talk about that
While only affecting a single creature type restricts Cavern, typal decks can leverage this to ensure their threats get through countermagic, be they efficient merfolk, monstrous dinosaurs, or sneaky goblins