You can still play the app as usual up until the shutdown
Once per turn, during either player's turn, when this face-up card on the field is targeted by a Spell Card, Trap Card, or card effect: Special Summon 1 Dragon-Type Normal Monster from your hand, Deck, or Graveyard, and make its ATK and DEF 0.
Just Charizard Flexing but looking good none the less, and the card special ability Pok-Body: Fury Blaze was pretty awesome in its own right " If your opponent has 3 or less Prize cards left, each of Charizards attacks does 50 more damage to the active Pokemon (before applying weakness and resistance)." As great as that is, I was just happy to see the brief reintroduction of the card descriptive text " It is said that CHARIZARD's fire burns hotter if it has experienced harsh battles " - I'm not scientist, but I'd say the story checks out
On the other hand, Modern has more potential