Holon Research Tower (ex11-94 Reverse Holofoil) is a Stadium Trainer from the EX Delta Species set. It makes basic Energy attached to Pokémon with the δ symbol also count as Metal Energy while still providing only one Energy at a time. The card remains in play until another Stadium is played or a duplicate is present, enforcing a single active Stadium at once.

Identity & printing

Name: Holon Research Tower (Reverse Holofoil)
Number: 94
Printed number: 94/113
Rarity: Uncommon
Variant: Reverse Holofoil
Language code: EN
Print ID: ex11-94-Reverse-Holofoil

Type line & stats

Market prices (catalog API)

eBay sold comps from the Vendor Tools public catalog — tap a condition below to filter sales, or refresh to pull new data into the catalog

Catalog pricing data as of 29 Apr 2026, 04:46

More in this set

Other cards from Delta Species

View full set →

Azumarill (Holofoil)
#114

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Supertype: Trainer
Subtypes: Stadium
Types: Unknown

Catalog metadata

National Pokédex: 0
Imported from: Vendor Tools Public API catalog

Rules

This card stays in play when you play it. Discard this card if another Stadium card comes into play. If another card with the same name is in play, you can't play this card. Each player's basic Energy cards attached to Pokémon that has δ on its card are both their usual Energy type and Metal type but provide only 1 Energy at a time. (Has no effect other than providing Energy.)

Set, artist & references

Artist: Ryo Ueda
Language: English
Set name: Delta Species
Game name: Pokémon

In play

Abilities, attacks, weakness & resistance

More in this set

Other cards from Delta Species

View full set →

Azumarill (Holofoil)
#114

Metagross ☆ (Holofoil)

#113

Kyogre ☆ (Holofoil)

#112

Groudon ☆ (Holofoil)

#111

Vaporeon ex (Tom Roos)

#110

Vaporeon ex (Jun Hasebe)

#110

Vaporeon ex (Jimmy Ballard)

#110

Vaporeon ex (Holofoil)

#110

Jolteon ex (Tom Roos)

#109

Jolteon ex (Jun Hasebe)

#109

Jolteon ex (Jimmy Ballard)

#109

Jolteon ex (Holofoil)

#109

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Description

Holon Research Tower (ex11-94 Reverse Holofoil) is a Stadium Trainer from the EX Delta Species set. It makes basic Energy attached to Pokémon with the δ symbol also count as Metal Energy while still providing only one Energy at a time. The card remains in play until another Stadium is played or a duplicate is present, enforcing a single active Stadium at once.

Catalog pricing data as of 29 Apr 2026, 04:46