You don't need to win battles to open packs These decks are a great way to help you rack up player XP, but outside the limited-time events, there's not much to be gained from grinding out battles in Pokmon TCG Pocket
Another important thing to note is the condition of the card
Either she'll cause you to sacrifice a creature, or she'll start sucking cards out of everyone's hands
While you do have to ensure you run enough early-game ramp (Sword of the Animist, Dowsing Dagger, et all) to get her out reliably, once she does come down, she starts taking names
Top chase cards in Journey Together include the Salamence ex SIR, Ns Zoroark ex SIR, and the Ionos Bellibolt ex SIR
Crew 1 Mindlink Mech's second ability triggers as its crew ability resolves for the first time each turn