Trimming colors a bit to expand colorless

Missed these in the Persist package removal

Izzet are losing real estate to Prismari. I think we'll see Niv-Mizzet, Parun back someday -- especially if Curiosity ever finds its way in -- but right now I'm trying out the cheaper spells.

missed this in the Persist package removal

missed this in the Persist package removal

Tried fitting in this package, but it has a lot of things going against it: The cards typically don't do a lot outside of one deck, making them practical gold cards; additionally, they require some amount of knowledge of the Cube ahead of time that this combo is present, and I don't draft enough for that.

Rotating out the last of the snow cards for the return of the king. Increased planeswalker removal (Baleful Mastery, Fateful Absence, Unholy Heat) make him a little more tolerable.

Fitting in some MID cards, and inserting some more combo cards