I will be basing my analysis on the reception these generals received at the time, how they created or supported an archetype, and answer if they maintained any sustained usage
A very common interaction involves Bazaar of Baghdad and two dredge cards in your graveyard, lets say Stinkweed Imp (with dredge 5) and Life from the Loam (with dredge 3)
Final Fantasy 6, 7, 10, & 14 Are Getting Commander Decks The four Commander Decks are Revival Trance (Red/White/Black) based on Final Fantasy 6, Limit Break (Red/Green/White) based on Final Fantasy 7, Counter Blitz (Green/White/Blue) based on Final Fantasy 10, and Scions of Spellcraft (White, Blue, Black), based on Final Fantasy 14
It's an Angel with an enters-the-battlefield trigger that is pretty similar to Angel's Grace, and it's even named Angel of Grace