Holon Research Towerホロンの研究塔

Released
2005-10-28
Base set
86$406.85. Near-mint market prices under 30 days old, before condition, fees and postage. Covers 31 of 86 cards — the rest have no recent price.
Full set
86$406.85. Near-mint market prices under 30 days old, before condition, fees and postage. Covers 31 of 86 cards — the rest have no recent price.
Master set
86$406.85. Near-mint market prices under 30 days old, before condition, fees and postage. Covers 31 of 86 unique printings in master set — the rest have no recent price.
Code
PCG6_JA
Symbol

The master set counts each of its 86 cards once, in any card. It leaves out 61 First Edition, 61 Unlimited, 25 First Edition Holofoil and 25 Unlimited Holofoil.

Holon Research Tower introduces Holon, a remote research settlement where unusual electromagnetic conditions have changed the types of local Pokémon. These altered creatures are marked δ, or delta species, and may have types completely different from their traditional identities. A Metal-type Charizard, for example, immediately signals that this expansion operates by its own rules. The scientific setting, towers, and experimental equipment give the set a strong sense of place.

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Delta species cards appear throughout the checklist rather than as isolated curiosities, allowing the concept to shape both collecting and gameplay. The set also introduces Holon Pokémon and special Energy cards that can function as resources, reflecting the research community’s technology. Metagross ☆, Groudon ☆, and Kyogre ☆ are the major Gold Star highlights, while many familiar Pokémon gain visually striking new forms. Holon Research Tower begins a connected storyline that continues across several expansions and is remembered as one of the TCG’s most creative reinterpretations of Pokémon typing, combining a fictional region, experimental mechanics, and highly collectible alternate versions. The English *EX Delta Species* closely follows this release but reorganises some cards, rarities, and numbering.