Getting the size right when creating your own tarot cards is crucial
While very powerful in the right shell, Web of Life and Destiny won't be great in every green deck (this is no Great Henge)
During my main phase, while I control Alpine Watchdog, I can then pay for an equipments equip cost to attach that card to it
But with only 15 Transformers cards in total, to leave at least half of them out of any themed Commander deck seems like a net negative, particularly when the missing cards break up the most natural mechanical and flavor pairings, like using Blaster to enable Arcee and Jetfire
It's also good in all other formats in a deck that has the ability to cycle through the graveyard
The specific cards that receive Dossier treatment will likely help provide some added context to the storyline, especially when looking at the flavor text of some of these characters