I also recommend at least considering the gameplay experience of the other players at the table when thinking about what you want to build
As for the waterbending cost, the additional artifact tokens, creatures and lands really bring the cost down to a manageable amount that is way easier than waiting for the next full moon and put the Secret of Bloodbending on this list as one of scariest things you can pull off
The middle two are a nice default and makes this a two for one quite ably, and you can discard lands or the wrong card for better optons as well making this not card value, but card flow
If youre not one to settle for less and wish to collect every card from the Smitten superdrop, theres also the All-Our-Love Bundle, which includes all five of the new capsules combined into one package
Song of the Worldsoul Song of the Worldsoul works best if you have low-cost cards for constant populate triggers
This will happen even if that player already had the initiative at the time