yugioh japanese deck Structure Deck: Deluxe Set | Yu-Gi-Oh! Wiki Product Description Yugioh YuGiOh Cards Structure Deck Wave

The site states that it's unclear how many of these cards have survived over the years, but even if all of them were still to exist in mint condition, it would still be the rarest Pokemon TCG card in existence

When it is sent to the Graveyard, you can special summon 1 Melodious monster in your GY except itself

PRODUCT HIGHLIGHTS Contains 10 Pokemon TCG cards featuring powerful V and VMAX Pokemon, including Urshifu, Mimikyu, Tyranitar, and Empoleon

Things You Should Know Open the foil packaging so the seam in the back faces you

The rest of the card is pretty basic, with a single Energy Retreat Cost and a Weakness to Electric-type Pokemon

As far as Howling Mine effects go, Visions is one of the best