For the rest I'd recommend more tutors to find Jeskai Ascendancy like Enlightened Tutor and Idyllic Tutor, some good recursion like Underworld Breach, and better mana-fixing like shocks / ABU / fetches
Im here to show you that you dont need to spend close to $1,000 to get your Commander deck where you want it
That gets you 24 ready-to-mix Jumpstart boosters, with every pack including 20 cards, all the lands needed to play, and at least one Rare or Mythic Rare card
Aurora, Regal Princess x3 Aurora, Briar Rose x3 Aurora, Dreaming Guardian x1 Flounder, Voice of Reason x2 Gramma Tala, Storyteller x2 Jasmine, Disguised x2 Maleficent, Sinister Visitor x3 Maleficent, Uninvited x1 Mickey Mouse, Detective x3 Mufasa, King of the Pride Lands x2 Scar, Mastermind x1 Develop Your Brain x3 One Jump Ahead x2 Coconut Basket x3 Magic Golden Flower x2 Beast, Hardheaded x2 Cpatain Hook, Forceful Duelist x3 Goons, Maleficents Underlings x2 Hercules, True Hero x2 Kristoff, Official Ice Master x2 Maui, Demigod x1 Prince Eric, Dashing and Brave x2 Simba, Rightful Heir x2 Simba, Returned King x1 Fire the Cannons x2 Grab Your Sword x1 Ransack x2 Smash x2 Frying Pan x2
If we think about equipment as a natural home for equipping double strikers, there are a bunch of cards that pump power and give a creature saboteur abilities, like Sword of Fire and Ice
Most competitive players stick to exactly 60 to maximize the chance of drawing their best cards