Mason Laboratory

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Dr. Mason's Lab (left)
Deck machine room (right)

The Mason Laboratory (Japanese: オーヤマ研究所 Ōyama Institute) is a location in TCG Island.

When the player goes there for the first time, he or she has to beat Tech Sam's introduction battle, so Dr. Mason can give he or she a choice of three decks to start off with. They are the Charmander & Friends Deck, Squirtle & Friends Deck, and Bulbasaur & Friends Deck. He also gives the player 30 additional cards, which are decided by which deck the player picked.

In Pokémon Card GB2: Here Comes Team GR!, he gives the player his or her first deck, which is always the same.

After getting his or her Starter Deck, the player can get Energy cards by beating either Tech Sam or Tech Aaron. Additionally, after the player gets at least one Medal, they can use the Pre-Deck Machines, which they can use to copy the Clubs' decks as long as they have the necessary cards and the right Medal (e.g. the player needs the Water Medal to access the Water Club's decks).

In both games, after beating the game, Dr. Mason builds a Challenge Machine for card duels.

Starter Decks

These are three starter decks in Pokémon Trading Card Game, all of which feature the Kanto starters.


Deck Name User
Practice Deck Tech Sam
Fire & Lightning Deck Tech Aaron
Water & Fighting Deck Tech Aaron
Grass & Psychic Deck Tech Aaron


Game Left Room Center Room Right Room
TCG TGC GB Mason Lab Main.png TCG GB Mason Lab Right.png
GB2 TCG GB2 Mason Lab Left.png TCG GB2 Mason Lab Main.png TCG GB2 Mason Lab Right.png

In other languages

050Diglett.png This section is incomplete.
Please feel free to edit this section to add missing information and complete it.
Reason: Missing Japanese and other european languages names.
Language Title
Japan Flag.png Japanese オーヤマ研究所 Ōyama Institute
France Flag.png French Laboratoire Dr Mason
Germany Flag.png German Masons Labor
Italy Flag.png Italian Laboratorio Mason

Related Articles

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TCG Islands
Grass Medal Science Medal Fire Medal Water Medal Lightning Medal Psychic Medal Rock Medal Fighting Medal
TCG Island
Fighting ClubFire ClubGrass ClubLightning Club
Psychic ClubRock ClubScience ClubWater Club
Other locations
AirportChallenge HallMason LaboratoryMr. Ishihara's HousePokémon Dome
GR Island
GR Bases
GR Grass FortGR Lightning FortGR Fire FortGR Water Fort
GR Fighting FortGR Psychic StrongholdColorless AltarGR Castle
Other locations
AirportChallenge HallGame CenterMr. Ishihara's VillaSealed Fort

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