mtg play test cards Sliv-Mizzet, Hivemind [Mystery Booster Playtest Cards] and Ghostly Prison.) TL;DR - Mystery Booster 2

In Commander, 3 mana for 42 milled cards makes Fractured Sanity nothing to scoff at

You might get zero

This Commander accumulates card advantage as your opponents (or you!) lose life while Y'shtola's final ability allows her to deal damage and gain life through the casting of high mana cost with non-creature spells

Goblin Piledrivers much awaited reprint was to be the only card with protection in the set and a move towards hexproof from X began

Once you start finding two spells in the later stages of the game is where the real card advantage starts taking place , making the player casting IE pull ahead in resources