Its been one of the few things that has remained consistent across decades of card designs
Yes, modern Korean Pokmon cards have improved significantly, with clear printing, decent cardstock, and consistent foil finishes
Cosmic Blazer Dragon and Shooting Savior Star Dragon are excluded until the end phase, so returning to the monster zone is not treated as a special summon, but Stardust Dragon is special summoned after release, and Shooting Star Dragon is special summoned after exclusion, so additional draws or tuner special summons are possible in this case as well
Each Booster has 20 cards, including the lands they need to play
Why did it only keep the legs
The formats been harsh to control decks, but never enough to leave Teferi totally out