For best results in tuning a list, a combination of a checklist, playtesting, probability math, and (most importantly!) playing cards you that find enjoyable is the way to go
Whats good in Commander is often terrible everywhere else, so having a surplus of these in a Standard set - or even one meant for Modern and beyond - often detracts from the number of cards thatll actually see play in that format
I put Me, the Immortal together for a Yankee Swap at our LGS this holiday season and it ended up being one of the top picks, getting traded for multiple times
Garruk's Uprising
If Westvale Abbey is the real deal, I expect I'll easily sell them for between $0.50 and $1.00 each at some point in the next year, possible even more
One card giving you the option of a second copy of your best creature late in the game versus a land early is absurd enough that this often makes the cut in my blue deck regardless of whether my strategy cares about clones