It is very easy for me to be negative about everything, something that plays a big role in my job, and so I'm often refreshed when I play something I don't have to complain about, or rather that I can't
A two-Supernova turn is possible (one leader-triggered free play plus a second Supernova played from hand at its normal cost, if you can afford it), but it's not a chain the leader ability itself repeats
Ancestral Recall and the Power Nine : Iconic, extremely rare, and highly valued
Force of Will, Mana Drain, and more recently Force of Negation are the premier efficient ways to counter spells, requiring either no mana from you, or rewarding you with a tidy portion the following turn
I think this is the Squirrel commander that people have been wanting
Desperate Gambit Desperate Gambit is fun to play and scary to go up against