Please note that you cannot use your Yuna, Grand Summoner promo in your Magic: The Gathering FINAL FANTASY Holiday Commander Box League deck
You need to basically be mono blue as well as having both alternate mana sources and lots of other cheap permanents to be able to support Thwart without it crippling you
For 3 mana, youre almost guaranteed three draws as the turn passes around the pod and your opponents decline to pay the 1. Theres a higher chance than Mystic Remora that your opponents will have the mana available to pay the tax, but players like to use all their available mana every turn, even if it means youll draw cards off of their spells
Oh, and one more thing
Following that, you'll each shuffle your decks and select the top seven cards
Slimefoot and Squee With a bit of bias, my favorite commander of all timeand, of course, the number one fungus on this listis Slimefoot and Squee