mtg guilds of ravnica booster box Magic: the Gathering Pack which they use quite liberally MTG Booster Pack Theme :

The Pokmon TCG: Mega Zygarde ex Premium Collection includes: 1 foil promo card featuring Mega Zygarde ex 1 oversize lenticular promo card featuring Mega Zygarde ex 1 tech sticker featuring Mega Zygarde ex 8 Pokmon TCG booster packs The Pokmon TCG: Mega Zygarde ex Premium Collection is now available at the Pokmon Center and where Pokmon TCG products are sold.

He also shouted her name while they were training several years prior to the story, further indicating this

There aren't many cards that track all the different kinds of counters across zones the way this does, after all

Its worth investing in some combat buffs for this card, as it only increases the variety of cards you have to choose from when milling