If I was to play a major event though, I think the three/one split would be better, as some decks cannot beat the Angel in game one, but I would play the fourth Archon in the sideboard
Hibernation Sliver makes all Slivers very difficult to kill as long as you have life points and mana left to play with, and with all your creatures so cheap you would usually have plenty of both when it counted
The exile-based card advantage is reminiscent of red impulse-draw commanders, but stretched across Jeskai colors
Removal in Modern is just heavily slanted towards every deck having four to eight cards that kill Turn 1 Ragavan and away from whatever two-drop answer you chose that week
The entire MTG Arena business model and economy is predicated on the wildcard system detailed in this article, so don't hold out hope for Wizards to implement trading or allow trading some day
(I have been to places that seem almost resentful that you are attempting to sell them your games, absolutely none of that here) I was so happy with both the offer and Dorians friendly demeanor that I eneded up making an appointment to sell about 250 games