Phasing is an old Magic: The Gathering keyword mechanic that Wizards of the Coast brought back in recent years, and in the latest Good Morning Magic
These sets feature booster pack artworks featuring Black/White box art Legendaries, Zekrom and Reshiram, and have some very rare cards featuring these monsters, as well as other Pokemon
Yes, capital S Standard in that the power level of its removal seems pretty normal for an average Standard release
Red has plenty of good interaction, like Chaos Warp, Tibalts Trickery, and Wild Magic Surge, so its just a case of choosing favorites
Other factors for budding collectors include investment potential, many consider Pokmon cards a worthwhile and potentially fruitful investment, as long as you know what you're doing, though remember this is not investment advice