Fatal Push is sometimes still being played, but very rarely as a playset and more as copies 5-6 of Unholy Heat to provide reactive decks with enough redundancy for specific threats
BGS focus on four main subgrades when grading cards, which are: Centering, Surface, Edges & Corners
Mono-Black-Control decks topped with Lolth have been in the meta for a long time now, but now that another amazing planeswalker that generates tokens for a lower mana cost has been released in the same color, this spider queen might just be about to take the Standard throne
As for how this all relates to your commander, each colored mana symbol that appears on a card in your deck must also appear on your commander
Treasure Hunter At the beginning of your upkeep, if you control thirty or more artifacts, you win the game