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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.)
Abilities, attacks, weakness & resistance
Other cards from Delta Species
Azumarill (Holofoil)
Metagross ☆ (Holofoil)
Kyogre ☆ (Holofoil)
Groudon ☆ (Holofoil)
Vaporeon ex (Tom Roos)
Vaporeon ex (Jun Hasebe)
Vaporeon ex (Jimmy Ballard)
Vaporeon ex (Holofoil)
Jolteon ex (Tom Roos)
Jolteon ex (Jun Hasebe)
Jolteon ex (Jimmy Ballard)
Jolteon ex (Holofoil)
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Holon Research Tower (ex11-94) is a Stadium Trainer from the Delta Species set that remains in play until another Stadium replaces it. It makes each basic Energy attached to Pokémon with δ both its printed type and Metal while still providing only one Energy. The effect solely changes Energy typing for those δ Pokémon, enabling Metal-related interactions without altering Energy amounts.
Catalog pricing data as of 21 Apr 2026, 06:25