Not only is she the biggest creature token of all time, shes also the biggest creature of all time full stop, discounting Un-set nonsense like B.F.M
Allowing you to play lands and cast spells off the top of your deck is powerful, and getting a Treasure to help you on your way is a great addition
The more I played with Vivi, the more I realized that untapping with it often means you're winning the game even from behind
At the time, Wizards promised that the allied fetches would be reprinted in 2020, just not in a Standard-legal set
The game gives you just one, but as you get more cards, it has an intuitive auto-build button that will fill the deck out with Pokmon of the chosen type and normal-type ones to make up the rest of the 20-card deck
For example, the plastic used for the sleeves makes much easier to shuffle your cards and ensures a good (and random) distribution of your cards