With Klothys, God of Destinys ability you can get some much-needed rewards from destroying lands, since you not only get some mana out of it but also remove them from your opponents graveyards, ensuring they cant get them back
There are ways to make it more evasive, and you can start easily taking out opponents once you get The Ring to tempt you enough times
If Copy Enchantment somehow enters the battlefield at the same time as another permanent, Copy Enchantment can't become a copy of that permanent
Its Dark-type attacks and defensive stats make it a solid pick for tournament play, which keeps demand high among deck builders and tournament grinders alike
There is an exception only being able to occupy 1 Extra Monster Zone, which is called Extra Link
I think Jorn / Kaldring "both is good" is a fantastic way to make the most out of this unique opportunity a MDFC commander presents and I expect it'll be a lot of fun to pull off in a game