For support, you can use Lusamine and Celesteela to swap your active Ultra Beast in and out, making it incredibly difficult for your opponent to reliably knock out Guzzlord or Nihilego
The pull rate is extremely difficult around 1 in 1,500, so it is no surprise to see the Umbreon Master Ball reverse holo as the 3rd most expensive card from Prismatic Evolutions
Magic: The Gathering | Avatar: The Last Airbender Play Boosters contain cards from TLA and TLE
Additionally, the card has the Team TARDIS ability that allows the player to untap every creature they control that has a counter on it
Black Panther Playing Cards (Theory11) Being more in line with the Pokmon aesthetic, another piece of inspiration (and main reason I want to have an aesthetic like this) is the Special Set 01 card sleeves (pictured below) from the mobile game Pokmon TCG Pocket
Where Toxrill dunks on Elesh Norn is its built-in draw mechanic: where Elesh on her own will see you running out of options eventually , Toxrills got no such limitation