It's Blanchwood Armor, a green aura that gives the creature you attach it to extra power and toughness for every forest you control
I believe the holofoil pattern hasnt changed this time, so yes
Kadabra #254 (Pokemon Japanese Shiny Treasure ex | Pokemon Cards) prices are based on the historic sales
Compared to the more drastic colour changes of other Shiny Pokemon, Pikachus has always been a little lacklustre but this card turns that around, exaggerating Pikachus shift to a darker orange with Nuu Ishidas amazing artwork which encapsulates everything Pikachu is about
For power boosts, Drogskol CaptainDrogskol Captain, Supreme PhantomSupreme Phantom, and Drogskol ReinforcementsDrogskol Reinforcements grant solid bonuses at the precon level, and will allow this decks board of Spirits to close out games much more quickly
Thanks to this, an Aroma Deck is one of the most painless Decks to build