booster box pokemon japanese TCG Outside Area Zero Pokemon 151 Booster Box (Japanese)

Masked HERO Kiva Level 4 | DARK | Warrior/Effect | 1600 ATK | 1300 DEF Once Per Turn, When a "HERO" monster is Special Summoned from the Extra Deck, Return 1 "HERO" monster and 1 "Mask Change" card from your Graveyard into the deck, shuffle and then Draw 1 card

discussed here is defined by game-defining twists in how the card game would evolve in the years which followed, or were simply powerful enough to serve as a warning for the future

Despite not being that popular right now in the main meta decks, it is quite popular in Ritual Beast, one of the main rogue decks in the current format

It can multiply the value dramatically

Thematically, the archetype draws inspiration from Alice in Wonderland and computer viruses