As for win conditions, counter-control decks dont run many
As of right now, there are around 10 lhurgoyf permanents you can include in this deck, including creatures and kindred permanents
So what happens when a player casts a spell that says end the turn, like Time Stop
One of the recurrent white problems is that white has often less depth on its best effects you can only run one Swords to Plowshares and one Path to Exile, so allowing white to efficiently copy those limited effects gives those smaller number of broken historical effects more presence without printing more broken effects
This was aided, of course, by his dropping from four chapters to three
Higher ROI & Liquidity : Cases appreciate faster than singles (e.g., Prismatic cases up 120% sealed)