As I wrote last time, only advanced players can fully utilize the skill to its maximum summoning capacity, so I think this is a well-balanced adjustment that lowers the usage rate without affecting beginners too much
When thinking about Mono Red decks (or Boros, for that matter), there is usually a budgetary concern in general, but mono red decks are powerful, fast, and quite reliable
Parallels : Red (/99), Purple (/49), Orange (/25), Blue (/15), Gold (/10), Gold Vinyl (1/1), Printing Plates Black (1/1), Printing Plates Cyan (1/1), Printing Plates Magenta (1/1), Printing Plates Yellow (1/1) Buy on: 5
Kappa Tech-Wrecker is impactful when ninjutsud in for the guaranteed trigger, and tricky to block well after that
As each gate is designed to teach you something about the game, it's important to play them if you aren't 100% familiar with YuGiOh and its mechanics, but even long-time players should do so for practice and to gain the rewards