Deck building in Disney Lorcana is very simple, at least rules wise its simple
If a Mountain you control leaves the battlefield between the time Valakut's second ability triggers and the time it resolves, be aware of whether that was the Mountain that caused Valakut's ability to trigger or not
In addition to being a creative take on a classic artifact creature, the piece also has a welcome undercurrent of levity, with a flock of white birds, presumably bothering the Servant in the tradition of their species, being sprayed with paint in an act of automated revenge
And since Ive been working through a logical argument for the classification of Dangers to the observed categories of archetypes, weve just been doing math
(2017-08-25) If Shifting Shadow can't become attached to the creature you put onto the battlefield, most likely because that creature has protection from red, it becomes attached to nothing
Also cards that generate wolf tokens like Tovolar's Huntmaster get even better since Tovolar draws cards off them