Checkmate Unstable introduced what we call "outside assistance," which are cards that add a randomizing element by involving a person not playing in the game to make a decision that affects the game
During the Grand Championship arc, Joey's Deck is largely the same as in "Waking the Dragons"
The flip side generates a 1/1 token per turn and has P/T equal to the number of creatures you control
Yes, you lose some life every turn, but The One Ring is also indestructible, making it extremely difficult for your opponents to interact with, and you really should have some bounce spells to maximise the potential of The One Ring (and to not lose too much life)
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Levia-Dragoon Daedalus becomes Umi and you can send an Umi to the Graveyard to make your opponent redraw their hand