You can always fall back on exploiting enters triggers, but what about slapping it on Junji, the Midnight Sky or other Kamigawa spirit dragons to get two death triggers
Enduring Innocence can even return as a regular enchantment if it ever dies
The simple XYZ summoning method that did not require specific materials to be used allowed the deck to cycle through all the monsters it needed, and if it ever returned to the format, it could be a nightmare, as the deck pairs well with Divine Arsenal AA- Zeus - Sky Thunder
and the creatures with bestow that act as Auras, we have a decent amount of resilience to board wipes and spot removal
Instead of relying on random draws, card selection allows you to look at, choose, or rearrange the top cards of your deck
It's still a bit much to get multiple Commander decks per release, especially when the number isn't consistent (some sets have 2, some have 4-5)