Infinite tokens lets you activate Baylens abilities as much as you want
Madness is such a strong effect as it turns discarding, something that can be a downside, into extra value with a discounted spell
No, once your creature attacks a planeswalker, you cannot direct the damage to the player
However, Braids's controller can benefit more from such an ability by constructing a deck to plan accordingly for this ability and always get the optimal value out of the effect, directly playing cards like the infamous Blightsteel Colossus and Eldrazi titans for free
If there are no creatures to receive the Last of the Abzans bounty, all our hard work is for naught
Then theres initiative, which is an addition to the venture/dungeon mechanic that allows you to venture into the Undercity during your upkeep when you have it