You're probably aware of Dolly the sheep, the first successfully cloned mammal, but did you know Magic: The Gathering beat Dolly to the chase
Additionally, that casting won't add to commander tax if you later cast the commander from the command zone
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
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