Ranking the Second Half of the Mariokart 8 DLC (Waves 4-6)

The Mariokart 8 Deluxe Booster Course Pass has fulfilled its promise of 6 full waves of tracks being added to the game, which effectively doubled the content available, and this time they even added new Characters! So let's comb through and see which tracks are worth being added, and which ones might have been better left to be forgotten, and maybe even rank all the waves in order!