With Fauna Shaman in your deck, you can also take more of a toolbox approach to deck building, with one or two copies of specific cards to help in any situation
Once you have it in play, you can pay life to cast black spells while growing a lifelink threat that attacks to get that life back
You can't know what decks will end up at the top of the metagame, but it's for certain that the overwhelming majority of them will be using dual lands
So you can do this at any time, transferring the +1/+1 counter and the Buster Sword to Cloud
So for that reason, it goes into the could be fun tier
Faceless Menace (Sultai) Faceless Menace is clearly already a morph deck, so the path with Kadena is toward doing more of the same and then working with the support pieces