Famous examples include the likes of Gundam , Neon Genesis Evangelion , Voltron , and Robotech in terms of anime, just to name a few
When you can just start taking stuff your opponents discard, and add edicts to take stuff they sacrifice, even a simple card like Smallpox can end games
Derevi can completely ignore commander tax for the entire game, since it does not affect the ability to put itself onto the battlefield from the command zone
You can try to be an aggro-token deck, flooding the board with tokens, pumping them with Dramatic Finale, and trying to win with a quick go-wide beatdown, or you can play it more like a combo deck, where you focus on staying alive, sacrificing things for value, chipping in for damage, and eventually winning with Bastion of Remembrance and Plumb the Forbidden
Then when it dies it becomes an enchantment that's harder for your opponent to interact with