Since that time, two big events have caused things to converge, and I now think the two different versions are close to equal
Standard The surprise rise of Jeskai Mutate, played by a range of players including a duo in the Top 8 (Matti Kuisma and David Inglis) carried an impressive 60% win rate for the metagame, but the real story is how even Standard is overall
The 4 Commander preconstructed decks for Bloomburrow are very much in theme, either by portraying pet friendliness in a group-hug deck, or by harnessing the new Offspring mechanic in a token-matters theme
Youre aiming to build a deck with a total of 40 cards its illegal to make it smaller than that, and it almost never helps you to make it bigger (since adding your 41st-best card will dilute the odds of you drawing your 1st-best card)
[14] Key mechanics: Artifacts matter, counter magic, and equipment