Oath has an additional type it finds making it a lot more appealing to midrange and control decks
Undead Hand Ninja Undead Hand Ninja isnt broken, but its certainly the complete package for a gravebreak deck: A cheap payoff you can play early, but you dont hate seeing it later in the game since you can throw it in front of a big creature for profit
The ETB ability is incredibly strong card advantage, but don't overestimate it too much
One of Jacob's associates, @thepokejew, was paid a finder's fee for vetting the eBay seller
It had a lot of early hype from collectors, but with V-Force requiring a full bench to function, it's not showing up in many competitive decks
I hope you've found this overview useful, and if you have more doubts or questions, let me know in the comments or on Draftsim's Facebook