Build up a critical mass of energy then deploy this next to a Screaming Nemesis and you can take a player out, for example
Lesson decks in Standard are powerful because they have many ways to cycle through the deck, like Artist's Talent or Abandon Attachments, while building a graveyard for Accumulate Wisdom
The problem is that it is pretty weak otherwise and you cannot reliably know what you are going up against
Whats in the database Card data is mirrored from Scryfall and refreshed on every spoiler cycle
It was an interesting build-around for its set, and this card intersects with many WB themes, like low-power, vampires, lifegain, and more
Each of these cards provides a major benefit to you unless your opponents are willing to spend a bunch of mana