Probably a higher Bracket deck as NorinNorin is intended to be used as though it were a Game Changer
All of this could have probably been fixed, if this was only a Sorcery
Being a flash threat is important because you can hold up mana, usually representing countermagic
But you still need to find a way to draw some cards to actually damage your opponent or have a mana sink to use to convert your infinite mana into something useful, like Origin Spellbomb or Sunbeam Spellbomb, which you can use with Auriok Salvagers to bring back and sacrifice infinitely since you have infinite mana
Deathtouch and Lifelink are great keywords to have on your 4/4, and when she attacks she basically well, shes Bolas Citadel
While many new cards can be used to help augment an already existing deck archetype, others can help form brand-new strategies or offer a new potent win condition