Petrified Field is a colorless-mana-producing land that can bring a land from your graveyard back to your hand
If youre looking to collect rather than play, pick up a Booster Pack and some card cases, and see where you go from there
The game relies heavily on "Energy Cards", 8 (initially 6, then temporarily 9) types of cards representing the different Pokmon types (though there is an 11th Dragon-type with no Energy equivalent outside of Roaring Skies' Double Dragon Energy card, and the much earlier Colorless energy which has no Basic energy card, but serves as a "Wild Card", being fulfilled with the other energy types, as well as having the oft-reprinted Double Colorless Energy card), and the only cards the player is allowed to have more than four copies of in a deck
Hop, who encountered and partnered with Zacian in Pokmon Shield, is seen crouched down next to the legendary, which appears in its Crowned Sword form