Like many of the cards on this list, Mask is strong role-player in certain Commander builds, including Voltron decks with commanders that relish facing blockers, like Anti-Venom, Horrifying Healer, whose release coincided with a price spike, Maarika, Brutal Gladiator, and General Marhault Elsdragon
Tacking on artifacts is a welcome touch, and it might even be the preferred way to build this rather than flashing in allies
The "Holy Grail" cards come from Limited Edition Alpha (1993) , where only ~1,100 of each rare were printed
Kaust, Eyes of the Glade is the lead commander, though it seems like a step down from Commander 2019 s Kadena, Slinking Sorcerer, which has been and will probably continue to be the go-to morph/disguise commander
That said, unless you want to play the stained-glass planeswalker lottery, there isn't so much extra value that you should purchase the drop even if you have no interest in your cards
Also really a solid statline, a 3/2 evasion creature that can connect if the artifact you go for cares about dealing combat damage
