The first bit reads, Whenever a creature you control leaves the battlefield, if it had counters on it, put those counters on The Ozolith. The second bit allows you to move all of the counters on The Ozolith onto a Creature at the beginning of your combat step
It's strong not just for the ability to attach tons of energy from the discard pile, but also because it damages your Pokmon when it does this
Storm demands a deck completely built around itself, dominates the strategies of all players in the match, and has a massive reward for playing it properly
What makes Maelstrom Wanderer so great is that its the absolute pinnacle of Temur Good Stuff as we know it
Hopefully I'll have a post up about that in a few days!
While the names are odd, they have meaning inside each series