These are the trade-offs to consider
Giratina Ex Set Get Promo specifications: Pros Extremely rare and valuable Gorgeous, sparkly art Cons Comes with a very high price tag Copies only made in Japanese Unsurprisingly, the most expensive Pokmon Ex cards are all promotional cards
For example, Performapal Partnaga makes your monsters stronger for each Performapal card you control while its in the pendulum zone
Mario & Luigi Pikachu 2016 Pokmon XY Promos ($7,000) Cosplay Pikachu was introduced for use in contests and special battles
It will be rough to try and get my invite without Cities or Worlds points (I only have 30 from a Fall Regionals right now), but it could still happen
Felidar Sovereign is a better card for this job because it does something else as a 4/6 with vigilance and it requires less life for you to win, but if youre seeking consistency, maybe give this one a try