Then, it can bring itself back by tributing a level one monster on the field
Being a red card means you can clear his way with red removals (Lightning Bolt/Unholy Heat)
Thats going to end up in actual losses not just for WotC (boohoo), but likely for your LGS as well
It's helpful to keep a master list somewhere easy to find, like the front pocket of a binder, so that you can reference it and locate a card within a group or subgroup quickly
Shiko and Narset, Unified The best way to break Shiko and Narset, Unified is careful consideration of which spells you want to target with
I don't think it's anything close to being a staple in the vast majority of decks, but it just needs a lot of testing to see which decks benefit from it and, more importantly, how to use it and play against it in those decks