They are in order to some degree, but have been shuffled around somewhat in the box
You can cast spells after that ability resolves but before you have to sacrifice the creature
Those were (and are) at the top of the metagame, and the concern was that their stifling effect on the rest of the metagame would grow and we'd see the Standard metagame becomes less diverse over time
Boros Charm is a perfect example of this: its not ideal protection, but itll do the job nicely in most cases, or it can simply give a creature double strike for combat superiority
When landed on, you will Planeswalk, which means you put each face-up plane or phenomenon card on the bottom of the deck face-down, then put the top card of the deck face-up, and its effects become present
Pinnacle Emissary I dont know too much about Legacy or Vintage, but I know cards that can put this many artifacts into play at once usually have a home