He was called back because one of the most important figures in Thran society, Glacian, a master artificer, fell ill
One thing you could do with those tokens is sacrifice them to Dreamshaper Shaman in order to get bigger, better things
Stessan Training Setessan Training isn't going to turn heads but it's exactly the type of card you want for certain Green Aura brews: it's pretty cheap, cantrips, and makes your creature a bit better
There are plenty of worlds where either of these two could finish pretty high on the list, depending on what youre measuring most on that day
While its one of the most difficult to play, its also the most rewarding
Aura decks of various colors have been quietly very good in Historic for a while now, primarily on the back of the power of Kor Spiritdancer