As always, you can use cards like Sabrina or Cyrus to force a switch on the active Pokmon to stall (and sometimes stop) the computer from setting up Garchomp ex
Its also important to note that the scenarios and above discussion may change as the duel progresses
if both of them are tails, the attack does no damage (or any other effects) and instead, Mistys Gyarados is shuffled, along with all attached cards, back into your deck
And the reimagined Leviathan of Atlantis - Daedalus becomes Umi, and lets you trade up to 3 Umi you control for 3 cards from your Deck that mention Atlantis then destroy any card on the field
Spare a thought for those of us who were already stressed with the release schedule
Heres another one that doesnt rely on any attacks going through Jumbo Cactuar, Tanuki Transplanter , and Helix Pinnacle