Scion is a very cool commander
The vast number of legends available in the game for players to build around lends itself to maximum creativity and brewing opportunities
It gets better via the partner mechanic, so you can partner with cards like Tymna the Weaver, a card that allows you to pay life, or a partner like Prava of the Steel Legion that boosts toughness from tokens
(A creature with menace can't be blocked except by two or more creatures.) Midnight Mayhem affects only Gremlins you control at the time it resolves, including the Gremlin tokens it creates
Alongside being powerful and effectively free removal, Solitude will be an absolute menace in blink-heavy decks like Yorion, Brago or Roon, where you can easily repeat its enter-the-battlefield effect to keep removing creatures as much as you need
The nice thing about that abstraction is that instead of telling the player, Here is what is happening, they get to bridge that gap. For the game industry, its hoped for as a potential blockbuster