It wont take much demand to soak up nearly all the available supply of any given Mystery Booster card
Turn 1: Land, Arboreal Grazer, Land Turn 2 Land, Dryad of the Ilysian Grove, Land Turn 3: Land, Land, Scapeshift The next innovation was one I didnt expect: Amulet Titan lists with four Azusas, four Dryads, and two copies of Valakut
Protection wins games
Most of the cards in the new cycle are, at best, okay
Then when you discard, you exile it instead, so that you cannot recur or flashback anything
YouTuber Tricky Gym explains that Gyarados EX's moves take advantage of this, as Gyarados EX has the Water moves Waterfall - which deals 100 damage for just three Water energies - and Tyrannical Tail