For example, if you combine it with Guide of Souls, you can make sure you get an energy back every time a creature enters the battlefield
For a deck that is 100% optimized you'd likely call it bracket 5 and meant for cEDH
This means that when paired with cards like Something Tithe or Dockside Extortionist that make lots of Treasure tokens, you essentially will get to drain each opponent for two with every Treasure you make
This decks most expensive card stays in the 1-digit limit but it still has a pretty nice price, and the sheer number of valuable cards also makes it a good investment
Sisay, Weatherlight Captain Sisay, Weatherlight Captain may not be the single best 5-color or legendary-tribal commander, but it definitely is a great one
they have to learn the cards, draft archetypes, and interactions quickly