Thematically, many of Yusei's cards lean towards being either Warrior or Machine-Type monsters, and even his non-Machine cards tend to have a Machine-like appearance (such as his "Warrior" Synchro Monsters) or are similarly themed, like "Scrap-Iron Scarecrow", "Junk Barrage" or "Iron Resolve"
in the original, Asuka never shows romantic interest towards anyone, which leads to her brother's repeated attempts to get her to notice someone
Illuminor Szeras Ol' Szeras here is kinda the reason why the entire Necrontyr civilization is cursed (or blessed as some might see it) with eternal robotic undeath
Its going to be impossible to build around Duskmantle Seer for Sealed deck play, but a 4/4 flying creature for 4 that can "sort of" race is still tempting
In regards to Dark Magician, there is a very big concern in regards to the second ability, with spells that either use more than 1 variable, don't use mana for one or more variables (and involve paying a non-mana cost for X), and that re-use the variable (spells costing XX or XXX) are all busted beyond words with it