It's a nice effect for the excluded psychic forces, so it's more sought after than psychowold
Evidence Examiner: Finally, this Simic beauty is both an enabler and payoff for collecting evidence
According to Heritage, the booster box is still sealed and likely to be in perfect gem mint condition due to the fact that the cards have not been handled yet
When its attacked by your opponent while face down, your opponent will take 1000 damage
Not only did Vivi get banned in Standard, in part due to its interaction with Agatha's Soul Cauldron (although, as Wizards mentioned in its ban announcement, Vivi might have ended up broken even without its artifact friend), it's even more annoyingly strong in Commander, which I think is actually more damaging to the game overall
(It normally makes between 1 and 2 billion cards a year, Pokmon expert and Serebii webmaster Joe Merrick told Polygon.) To date, more than 43.2 billion cards have been produced since the Pokmon Trading Card Game launched
