At first sight, it might seem that having seven cards in the lost zone is a challenging process, but with Colresss Experiment in your deck and Comfey (spoiler, keep reading!), you will find that this is faster than one might think
Because of that, Leaf might still be the better all-around option
My best guess is it will start out slow and if you can find copies for $3 or less you will easily be able to make money
Rampaging Yao Guai lets you select which artifacts and enchantments that meet the mana cost of X that you paid get destroyed, allowing you to spare all your own cards, and maybe one or two of the more helpful things your opponents have going on
Aside from being a pretty spot-on pun, Alexander Clamilton's special abilities also pay tribute to Lin-Manuel Maranda's boundary-breaking play
If you had been choosing to play first already, then I hope I've been able to articulate some of the reasons why it's the right thing to do