Waluigi's dice is [-2 coins,-2 coins, 6, 6, 6, 6] like I think we've seen before, but now we've got a confirmation of Wario's which is [-1 coin, -1 coin, 4, 5, 6, 7]
Kamek's boss battle actually looks pretty fun
The Battle Minigame substitute lets you fight over any ally? That's kinda nifty...