Brago, King Eternal probably still wears the crown when it comes to commanders for this archetype, letting you flicker your whole board every turn in most cases
Add to that cards like Emeria Angel, who has Landfall: Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying, and you can start to see the shape of this deck come together
Add pieces like Agathas Soul Cauldron or Grist, the Hunger Tide , and those loops turn into lethal engines
At the beginning of your upkeep, create a 1/1 white Ally creature token for each experience counter you have
A one-for-zero, however, means you are spending one of your cards to deal with zero of theirs
Usually we have fight spells, where the two creatures involved exchange blows, and so you have to plan out how you execute that spell