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
If any of the targets become illegal, the remaining targets are affected as appropriate
Will that be good enough to mix with Jinnie Fay, Jetmir's Second in Pioneer
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
Notice the spike that happened three months after its initial release, right when Rivals came out and the number being opened went way down: It jumps from $10 to $18 and stays in that range until about now, when its trickled down to $15