Why theyre contenders: They are essentially free mana, providing a persistent advantage from turn one
In a deck filled with lots of small creatures with evasion, that sounds like an insane card advantage engine - getting up to three additional cards each turn
A word of warning , though: you have to make specifically a transforming double-faced card into a copy of Enduring Angel, otherwise it wont transform and will instead be subject to Enduring Angels lawyer-mandated no-fun you-lose-the-game clause
Heck, there's even options if you're running Curses with Lynde, Cheerful Tormentor, as both Curse of Misfortunes and Bitterheart Witch provide your hex of choice to make opponents miserable
The good news is that Commander 2019 seems to have gone out of its way to fix this issue
But particularly in-demand sets often see booster boxes rocket into the hundreds or even thousands of dollars, as stock becomes more scarce