I contacted TPCi at the timeNovember 6via their UK PR department (TPCi is notoriously difficult to get in touch with), with an incredibly innocuous question about how the products appeared to be sold out before ever actually being available
If an opponent controls Elesh Norn, Grand Cenobite and you control Bard Class, your Ayula, Queen Among Bears and other two-toughness legendaries can safely enter the battlefield knowing they will have an extra +1/+1 counter added before Norns static debuff can snuff them out
(Equipment, Auras you control, and counters are modifications.) Legendary Creature - Snake Samurai Tokens (CTRL to add secondary) Tutor Fighter Class (Gain the next level as a sorcery to add its ability.) When this Class enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle
In grind-heavy Commander games, each death shifts life totals in your favor, and over multiple turns, that pressure becomes impossible to ignore