Suddenly, you have the run of the board from turn three onward with one of the best removal effects in the game: Armix gets around indestructible and theres no reason you wont have six or more artifacts on the field or in the grave at any time
Alongside Gorion, a wave of powerful new support was created for the archetype
At the end of that story, Emrakul was trapped in the moon
That usually results in one person having an immediately unbeatable board, two people who no longer have lands to cast spells, and one chaos agent rubbing their hands together and laughing hysterically
You are more likely to pull the lowest rarity cards like Common and Uncommon in the foil slot, with foil Legendaries being quite rare
However, what we can do is look at heavily played Standard cards, and see when (or even if) their impending rotation caused people to sell on a card