Since you start with Najeela in your hand, you practically have five or more different one-card combos to draw, which offers a high level of consistency for a singleton format
Random discard is never a good idea unless you like to Gamble, but at least here the possibility to gain value from it is a little higher, so dig out your Tibalts that have been gathering dust in that binder of yours and sleeve em up
If it's small enough, it kills it, but if it's bigger, it weakens it for the turn, making it more vulnerable
There are also a fair few new Brothers War cards that nearly ended up on the list including the new Urza, Planeswalker
We had a lot more material than we could fit in a 100-card set, but a 270-card set is huge, and that requires a much larger lift from all levels of the studio