(12/8/2022) If you discard a card with madness to pay the cost of a spell or activated ability, that card's madness triggered ability (and the spell that card becomes, if you choose to cast it) will resolve before the spell or ability the discard paid for
My conclusion is that since I want to use DON
None of this means your old cards are worthless, it means you have to identify the actual valuable ones, which is the next step
Despite this, I rarely consider cards that strictly deal in nontoken payoffs token commanders because they dont have any focus on tokens, the backbone of any token decks win conditions
Speed can only increase once per turn, and it doesn't leave the game once you start tracking it
Personally, Im hoping this means I get to play Bubbling Cauldron and Dictate of Erebos, but Im flexible