In every cube draft so far, Red has been under drafted, and and have gone completely undrafted.

The archetype is getting a larger wizards theme with Aegar, the Freezing Flame and Rockslide Sorcerer as powerful additions. This meant that Red would need some more wizards so a couple of wizards were added. (Annoyingly, a lot of red cards that would fit well are shamans, while the good wizards to choose from are usually fairly similar). I'm particularly excited for Rootha, Mercurial Artist because, although she is a shaman (grrrr), she provides a lot of late-game value.

Green and isn't getting a lot this swap beyond Rampart Smasher. Green will be looked at to try to find more cards that draw drafters into the color.