It will actually combine virtually every card from the two sets, rather than a curated selection that's specifically tailored to draft
Now Phantasmal Flames brings that form to the TCG with modern SIR production quality
I was mostly bailed out by casual interest here, as Erebos is not an essential maindeck card in most Mono-Black Devotion brews
Self-recurring creatures are difficult for your opponents to get rid of, and you can use them to generate enormous amounts of value over the relatively longer duration of a Commander game
Tyranid Prime #145 Warhammer 40K Commander Decks Change Version Tyranid Prime Creature Tyranid Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Synapse Creature Other creatures you control have evolve
All three of these are from Secret Lair drops, and in fact, all three are Bonus Cards