Doubling the number of cards you mill is a great start, especially as a combo with cards like Traumatize and Cut Your Losses that mill half your opponents' libraries themselves
So having other variants of him like Fearless Fighter and Neverland Hero will allow you to get this card onto the field early
In short, it is the original, it is the one and what we are here to answer is whether or not this old dog is still worth your time, specifically in the digital age via the current adaptations of digital Magic the gathering known as MTG: Arena
Its the most explosive and one-dimensional of the Adventures lists, and I believe its weakness to sweepers in general has mostly kept it at bay relative to the Golgari version, but now that the premier sweeper deck is banned from the format, it might be Selesnyas time to shine
Skullwinder is really sweet in decks that care about deathtouch or fight spells
Be sure to check back frequently for updates