This is the Traditional Chinese edition, released separately from the Japanese version, with distinct print and regional distribution
Fusion Summon powerful Warrior monsters with the effect of Kaiki the Unity Star, while you suffer no major consequences by the effects of Two as One et al, that restrict you from Special Summoning from the Extra Deck, except for Fusion Monsters.
Just as I dressed up a box of cookies with some clever wrapping and personalized tags, I really believe that special packaging can take a boring, generic, and maybe even impersonal gift and transform it into something memorable
Even if someone runs one of the most powerful control decks in the game, like Eldlich, it can be stopped
Your stats, most expensive and recently viewed card all in your Home Screen
Even removal nets you Treasure from Goldspan Dragon