Zelix, Sanity Flayer is very good value for a mill deck, since he creates 1/1s every time a player mills a creature card
Last year, the Jund deck headed by Lord Windgrace scored a 17, making it the all-time worst Commander deck since we started the "ranking the decks" series a few years ago, and it looks like Lord Windgrace's record will stand for at least another year
Cunning Bandit / Azamuki, Treachery Incarnate The last of the spirit/arcane cycle (for now!) is Cunning Bandit with its relatively useful ability
Invasion of Ikoria Technically, Invasion of Ikoria isnt a dinosaur
In the case of Spring to Mind, ramping your mana is something you want early but don't necessarily need later on
Like cards with monarch, the quicker it's put online the better, and these multiplayer-focused mechanics tend to overperform in 1v1 scenarios