At the beginning of combat on your turn, if The Ozolith has counters on it, you may move all counters from The Ozolith onto target creature. Its a really useful way of keeping your mana investments a bit safer than they would normally be
Will that be good enough to mix with Jinnie Fay, Jetmir's Second in Pioneer
Later in the game, of course, youre wandering into a target-rich environment
Recurring Nightmare If you actually read how Recurring Nightmare works, it's easy to see why it was banned in Commander
You can find pretty much every effect on a legend, with cards like Ertai, Ressurected and Loran of the Third Path providing a huge amount of options, together with other legends-matter synergies like Reki, the History of Kamigawa
You'll want to make a deck that focuses on one or two Ink Types so you're able to bring the best out of your cards