It may be a bit of a flavor fail that the cowardly Norin plays best at the head of an all-in Aggro deck, but it looks like great fun regardless
If youre going to be attacking, make sure you have Anduril attached to a legendary creature, since the tokens will enter the battlefield tapped and attacking if you do
We want to get this thing onto the battlefield as early as we can, and most opponents are going to have a hard time dealing with a card that does so many things at once
They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated
If an instant or sorcery spell you cast would deal damage to a permanent or player, it deals 1 additional damage to that permanent or player
Thats a huge buffer against removal in Commander, making it especially strong when paired with another partner like Thrasios, Triton Hero or Kydele, Chosen of Kruphix