Several real people have reached out to me to ask why their silver-bordered cards arent legal in Commander, and Ive heard from some of the more casual-focused folks on the CAG that theyve heard the same from their communities
At the time "Casting Blue Spells" came out, Preordain was the most successful blue card in Standard (slightly more played, if less heralded, than Jace, the Mind Sculptor)
Protection When Im talking about protection, Im not talking about the ability keyword, but for cards everyone uses to protect a single target (usually the commander or key cards), the board and both
Naban, Dean of Iteration does look like it might enable a minor synergy package in Humans, and also pointed me in some other important directions
I see this in Reanimate decks and occasionally as filler in prowess decks, that is about it for unpowered cube