While it is no longer the go-to for competitive play, it has solidified its status as a historical archive of the Kanto region, causing a significant repricing event for its most iconic cards
Szarel is set up to use your graveyard nicely and make opponent's sick of your recastable Crucible of Worlds
The cards have new artwork, but are based on existing cards in terms of gameplay functionality, so you can expect to use them in competitive play, so long as the original card is still in the standard rotation
As a baseline, every deck gets not just Command Tower (one of the best dual lands in the Commander format) but Ash Barrens and Myriad Landscape as well, which means each deck starts with $5.96 in land value based on these three staples alone (to put this in perspective, the Bant deck from Commander 2018 had a total land value of $4.07!)
And not only does Messenger Hawk get a bonus when you draw a second card
You can discard either one artifact card or two cards which may or may not be artifacts