The buff Don Andres gives to stolen creatures as well as the Treasure tokens he generates when you cast noncreature spells that don't belong to you are nice, but they're far from enough to make stealing cards worthwhile (especially because the treasures enter tapped)
Your Aesi, Tyrant of Gyre Strait deck would be fairer with Tannuk or Tatyova at the helm
In such a case, keeping a slow hand can be problematic, and you should be willing to mulligan slightly more
Then we get a 6/6 (or bigger) creature that must be dealt with quickly before it likely deals lethal commander damage to someone
What makes a Pokmon card particularly valuable
Like most Pokmon cards, the value of Hisuian Decidueye VSTAR depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Astral Radiance)