pokemon cards kyogre ex Team Aqua's Kyogre EX 2015 Pokemon Double Crisis Ultra Rare #6 PSA Authenticated 1 Card

Twilight Masquerade | TCG Card Database

Box includes 36 factory sealed packs, all with light to moderate wear as expected from age, some packs with a subtle curve to the cards.,Box 2 5/8" x 4 5/8" x 5 1/2"Domestic shipping to the continental 48 states via USPS is available and we will be happy to combine items for savings

Now, those cards were PSA 10 examples so I dont know if they are simply referencing that the cards were just low population, or that in general all unlimited Japanese holo cards are in general more rare

In addition to his fight ability, he makes all other hydra creatures 4 mana cheaper, so the turn you cast him (and the turn after) you will be able to flood the battlefield with enormous hydras