If Sandswirl Wanderglyph leaves the battlefield on a turn in which an opponent attacked you or a planeswalker you control (perhaps because it died in combat or another player cast a spell that destroyed it), that opponent can cast spells
Plenty of other Commander precons have used one-off adventure cards before, though the mechanic would make total sense from the Final Fantasy perspective
The opportunity to play with Aristocrats and Cranial Plating is one Im not sure many people can resist
It gives you a creature you can attack with, ramp with or use to half-assed-last-gasp and thats pretty sweet
The problem is that our foes can also yield double Counterspells or double "I Don't Like You, Please Stop Doing That" spells
High Perfect Morcant Golgari elves got a cool update in 2026 with High Perfect Morcant, a nasty commander that combines elves, -1/-1 counters, and proliferate into a tricky deck