Sokka, Bold Boomeranger Although its just a 1/1 for 2 mana, Sokka, Bold Boomeranger can grow very fast, especially in older formats where you can cast many artifacts for 0 or 1 mana
it is handling the buying question as an operations problem: tracked shipping from Tokyo, destination and customs details, quantity briefs, substitutions, sealed/PSA condition rules, and support before payment
There are tons of Commander decks that focus on Auras or Equipment, and Codsworth, Handy Helper is an easy inclusion in the 99 of any of them that play white
Conclusion Battles have a lot of potential in the future of Magic, and just as we've seen with creatures and other permanents over the past few years, they're another step on the road to making the game more permanent-based and combat-oriented