packets rotate or have cards changed with every set to match the Standard and Alchemy formats
Kaiba tells Pegasus's men he'd rather die than be captured and promptly leaps to his supposed death, which is mentioned in the next episode where Yugi duels Kaiba's "corpse." Episode 13, when Tristan is first sent to the Graveyard
Exactly what an "Unlimited" or Legacy format might use if added is currently unknown
You can only use each of the following effects of "Dragonmaid Cehrmba" once per turn
However, by combining three of the Structure Decks you can bring out its full strength by running multiples of the new, most powerful cards
Mechanically Unusual Fighter: Unlike your average Synchro deck, the Flower Cardians don't have to worry about adding up levels as their Tuners automatically make the Synchro Materials level 2, which is very necessary given that some of their monsters have absurdly high levels (including a level 11 Tuner) to fit their Hanafuda motif