It's a pretty simplistic card, but it does a hell of a lot of work
There are a bunch of complaints about the packaging an Nope
P/T Number 401 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) You pay all costs and follow all timing rules for artifact spells cast with the permission granted by Noctis's last ability
Riku of Many Paths Riku of Many Paths (or Riku of modal decks) is a sign of MTGs design changing, as many of the better cards these days are modal spells
For example, if the target creature has protection from red, you can't return Grim Reaper's Sprint to the battlefield with Cass's last ability