If your strongest monster is face-down, and near your Deck Leader
Pokmon is very, very strict when it comes to banning cards, and they only act when they see that is either a ban or a no other deck will ever be played situation
Even though this deck was one of the first to be released, some cards in the deck, like Patamon, still see play in other yellow decks at the moment
Here's an example from Standard that I encountered very recently
In the unlikely event its destroyed, this powerful Fusion Monsters spirit lingers in the Graveyard, protecting your other Blue-Eyes monsters against card effects
The new set continues to build on the Tera ex Pokmon card archetype, adding new powerful Stellar Tera Pokmon ex cards with overpowered moves that require three types of Energy to activate