Season of Growth's last ability triggers when you cast a spell that has multiple targets, as long as at least one of those targets is a creature you control
Unfortunately, Force of Will is low on this list because the game is practically dead at this point
As with other full art cards, these work the same as the regular Trainer Supporter cards but are much, much prettier
Speaking of trees Oh Christmas Tree, Oh Christmas Tree There are a lot of trees, treefolk, and dryads in Magic we could've used, but as a rare splash into actually having a powerful card, we're going to use Kodama of the East Tree
You gain 1 life for each creature card exiled this way
As for gameplay, Frigid Fluttering offers decent early-game acceleration in Water decks, but its the artwork that carries the value here