Its main goal is to reach 20 Lore by gradually ramping resources with Sapphire glimmers, then using Ambers sturdy characters to keep the board safe and consistent
For example, you can't cast a sorcery with spectacle during an opponent's turn unless another effect allows you to do so, even if that player has lost life this turn
Singing forever gets tiring, but it's worth the result of the chosen player drawing five cards
Again, these both cards may already have homes in Standard, but I think they do enough that they'll see play in some form or another during their Standard lifespan
This makes them useful both in the preparation phase and the execution phase for the deck
Other than the Marit Lage token from Dark Depths, nothing has ever had 20 natural toughness before