Designing for a Modern Age Similarly to how Commander 2014 allowed Wizards to create planeswalkers that circumvented Standard-legality to allow for a higher power level with multiplayer in mind, Modern Horizons allowed Wizards to create competitive viable Planeswalkers that would enter into competitive Magic through Modern
I pulled up the decklist and took a look at it again, and noticed that there are a lot of really good cards in the deck, a solid collection of great Commander staples
Whenever Thada Adel deals combat damage to a player, search that player's library for an artifact card and exile it
Its also got hexproof for a turn and generates card advantage whenever it or another dragon deals combat damage to a player
Bloodfeather Phoenix's last ability triggers only if Bloodfeather Phoenix is in your graveyard at the moment the instant or sorcery spell you control deals damage to an opponent or battle
The only drawback to Brightstone Ritual is that you need to be running a decent amount of goblins in your deck to get decent mileage out of it, and it's best used in a goblin tribal build