While the set itself is aimed at putting new cards into the Modern format, its safe to say that theres still a lot here for EDH players of all kinds
Commander: Morophon, the Boundless
Until then, may you make some mistakes of your own
Red removal spells such as Lunge and Shock Troops were turns too late to keep the Bouncer offline, and so a smart player could basically keep his Bouncer around indefinitely, use it to dominate the board, and ride it straight to victory
Eye of Ugin Similar to Hogaak, Eye of Ugin also has a part of Magic history named after it
Pongify, Crib Swap, Beast Within, and friends: While Ink-Treader Nephilim makes all removal targeting it a board wipe, we want creatures on the board to get that crazy value, so these give everyone some dinky monkeys or lizards to draw 20 cards off of with a Stun after a board wipe