First of all, it provides a body on the board with the Goblin Shaman token, and some ramp/fixing via the Treasures it creates
On top of that, Narset gives all your creatures prowess, so every spell you cast makes your team hit harder, meaning you can chain removal, card draw, or even extra combat spells right out of the graveyard while buffing your board
If there's a cost associated with having it attack, its controller isn't forced to pay that cost
Additionally, that casting won't add to commander tax if you later cast the commander from the command zone
For those who want to get into Disney Lorcana , the two starter decks are a decent entry point.The first is an Emerald and Ruby deck sporting Max, Goofy, and Powerline from A Goofy Movie
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Y'shtola Rhul: If the target creature is an illegal target as Y'shtola Rhul's ability tries to resolve, it won't resolve and none of its effects will happen