Like most Magic: The Gathering cards, the value of All Will Be One depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Secret Lair Drop)
This red, white, and black commander gives all your other legendary creatures menace, as well as letting you draw a card when you play a legendary land and cast a legendary spell, though it costs you one life every time you do
If youre in the market for a foil playset of a card like this, Id always opt for the original set foileven at a slight premiumfor this reason
Not only that, this card has a good amount of willpower and lore-generating capability too, since each quest gets you three lore, so it can tank some damage and still help you win the game.
Those decks will want Gift of Paradise or New Horizons to combo off with
White aggro strategies are usually less viable in formats with multiple opponents and a higher starting life total, but Delney enables a steady stream of value to keep boards wide and attacks frequent, and given their synergy with the recently printed Hare Apparent, brewers are sure to build decks around Delney for years to come