Kinnan, Bonder Prodigy Speaking of mana doublers, Kinnan, Bonder Prodigy does it better than most
This award is given to a card that wasnt new in the year in question, but has gained new context during that year
Rumor has been circulating around Magic communities for ages about how once a player took one of these cards and ripped it up into a bunch of pieces, and tried to destroy every other card the little pieces touched
The Command Zone, one of my favorite Magic podcast/Youtube channels, made a video where they broke down the statistics for whether more expensive decks do better in the Commander format of Magic and what they found was that the most expensive deck in a pod wins, 29% of the time. And thats just the most expensive in a four-player game where everyone has a 25% chance to win at the very start before anyone starts playing
Amonkhet Raceway I can see playing Amonkhet Raceway mainly as a start your engines enabler for all kinds of aggressive decks, especially red ones
This means Archaeomancers Map, Brasss Tunnel Grinder, and if nothing else, flickering a mana rock or land to leave you with more mana going into the opponents turn