5) As you get close to the Critical Point, you'll still need to work on the Uncommons If your goal is to get all the Rares and not worry about the Mythics (i.e., you'll spend wildcards as needed for the half of Mythics you don't have that you want to play), you'll find that you'll still be missing a decent chunk of Uncommons
If you cast a spell this way, copy this ability if Discord is on the battlefield
Gone are the days people would run commanders just because they were the colours they wanted access to Card advantage every top commander provides card advantage in some way, whether its literally drawing cards, card selection via scrying or similar, bringing cards back from the graveyard, tutoring, or even producing permanents such as tokens
Set and Draft Boosters are being phased out and replaced by this combined product
Anger is the most popular haste enabler, and its clear to see why
Play boosters are roughly the same price per pack as set boosters, which makes them more expensive than draft boosters