Alela, Artful ProvocateurAlela, Artful Provocateur is a commander that cares both about enchantments as well as artifacts, making it perfect for this Sidequest
You can also get some extra value out of impulse draw by running cards like Squee, the Immortal and Eternal Scourge, since they can always be played from exile
Summary Black offers versatile commanders like Horobi, Erebos, and Toshiro, enabling graveyard play, lifegain hate, and efficient spells
If you're a veteran of either Magic the Gathering or Yu-Gi-Oh, and you're seeing some distinct similarities between the Lost Zone and either Exile or Banishment, it's not coincidental
None of the dorks you can sensibly use with Channel return you a bunch of life or suitably protect you to make it consistent or safe enough to be a good strategy