you're buying them for the art
In terms of Commander, its okay
To help you get started quickly, Ive provided a spreadsheet template, with examples, which you can download here
The odds of finding a Honus Wagner card in your attic is exceedingly low, so youll need to identify undervalued cards by keeping up with new collections and trends (for this reason, most professional traders start as hobbyists)
Familiarize yourself with the contents of your deck
Becoming the monarch is good, but this card truly shines in an aggressive deck that aims to win via combat damage, which taps into Aragorn, King of Gondor's red and white mana most of all, while blue is support