Drawing more cards allows you to hit the key pieces you need more often whether thats removal, recursion, or even ramp
You can use cards like Skyhunter Strike Force to give all your creatures melee which would benefit from your commander creating human tokens attacking all your opponents
With the ability to cheat on equip costs, and some few useful extra abilities, this commander is ready to take down many opponents in just one swing
I get tired of bookkeeping, so this one looks really intriguing to me
Note we have calculated the number of packs for this bundle based on THIS page and THIS page from BGG
That effect helps aggressive decks churn through cards at a healthy rate, and it plays into the type of strategy Emberheart Challenger slots right into, with prowess decks often employing pump spells that target their own creatures