EX Delta Species (Japanese: ホロンの研究塔 Research Tower of Holon) was the 11th EX expansion set for the Pokémon Trading Card Game, and the 26th expansion set (30th in Japan) overall. It was the first expansion to feature δ Delta Species.

History

• October 7, 2005 - Japanese half-deck halves
• October 28, 2005 - Japanese main expansion
• November 4, 2005 - English commercial relase

However the prereleases for the English set were held starting from the October 22, making this the first set in history to be revealed for the first time outside Japan.

Contents

Delta Species contained 86 cards and 3 half-deck halves, 111 cards altogether in the Japanese release. There were 114 cards in the English release, with Darkness Energy, Metal Energy, and a Japanese Azumarill promo as the boxtopper added.

Trivia

• Delta Species introduced the concept of δ Delta Species. These Pokémon possesed unusual types, always being partially Metal in their fully evolved forms, so may be considered the counterpart to Dark Pokémon in the EX series.
• This set contained only 3 Pokémon-ex, a record low for any set in the EX series.
• This set was the first to use the same kind of foil for both the Holo Rares and the Parallel Foils.
• According to the set backstory, the Research Tower is located in the middle of Eidolon Forest and was originally assigned the task of researching Mew. However the English release of Eidolon Forest was pushed back to 2006 to coincide with Lucario and the Mystery of Mew, as was the case with EX Deoxys, so this information was absent from the English release of Delta Species.
• The prerelease Promo for this set was Metang.

Theme decks

• Breakthrough
• Steeplechase

List of cards

North America

1. Beedrill δ
2. Crobat δ
3. Dragonite δ
4. Espeon δ
5. Flareon δ
6. Gardevoir δ
7. Jolteon δ
8. Latias δ
9. Latios δ
10. Marowak δ
11. Metagross δ
12. Mewtwo δ
13. Rayquaza δ
14. Salamence δ
15. Starmie δ
16. Tyranitar δ
17. Umbreon δ
18. Vaporeon δ
19. Azumarill δ
20. Azurill
21. Holon's Electrode
22. Holon's Magneton
23. Hypno
24. Mightyena δ
25. Porygon2
26. Rain Castform
27. Sandslash δ
28. Slowking
29. Snow-cloud Castform
30. Starmie δ
31. Sunny Castform
32. Swellow
33. Weezing
34. Castform
35. Ditto
36. Ditto (Bulbasaur)
37. Ditto (Charmander)
38. Ditto (Mr. Mime)
39. Ditto (Pikachu)
40. Ditto (Squirtle)
41. Dragonair δ
42. Dragonair δ
43. Golbat
44. Hariyama
45. Illumise
46. Kakuna
47. Kirlia
48. Magneton
49. Metang δ
50. Persian
51. Pupitar δ
52. Rapidash
53. Shelgon δ
54. Shelgon δ
55. Skarmory
56. Volbeat
57. Bagon δ
58. Bagon δ
59. Beldum δ
60. Cubone
61. Ditto (Charmander)
62. Ditto (Geodude)
63. Ditto (Pikachu)
64. Ditto (Squirtle)
65. Dratini δ
66. Dratini δ
67. Drowzee
68. Eevee δ
69. Eevee
70. Holon's Magnemite
71. Holon's Voltorb
72. Koffing
73. Larvitar δ
74. Magnemite
75. Makuhita
76. Marill
77. Meowth
78. Ponyta
79. Poochyena
80. Porygon
81. Ralts
82. Sandshrew
83. Slowpoke
84. Staryu
85. Staryu
86. Taillow
87. Weedle
88. Zubat
89. Dual Ball
90. Great Ball
91. Holon Farmer
92. Holon Lass
93. Holon Mentor
94. Holon Research Tower
95. Holon Researcher
96. Holon Ruins
97. Holon Scientist
98. Holon Transceiver
99. Master Ball
100. Super Scoop Up
101. Potion
102. Switch
103. Darkness Energy
104. Holon Energy FF
105. Holon Energy GL
106. Holon Energy WP
107. Metal Energy
108. Flareon ex
109. Jolteon ex
110. Vaporeon ex
111. Groudon ☆
112. Kyogre ☆
113. Metagross ☆
114. Azumarill

Japan

Main set

1. Weedle
2. Kakuna
3. Zubat
4. Golbat
5. Koffing
6. Weezing
7. Ditto (Bulbasaur)
8. Volbeat
9. Illumise
10. Beedrill δ
11. Crobat δ
12. Ditto (Charmander)
13. Larvitar δ
14. Pupitar δ
15. Sunny Castform
16. Bagon δ
17. Shelgon δ
18. Flareon δ
19. Mewtwo δ
20. Tyranitar δ
21. Salamence δ
22. Slowpoke
23. Staryu
24. Ditto (Squirtle)
25. Slowking
26. Rain Castform
27. Snow-cloud Castform
28. Kyogre ☆
29. Starmie δ
30. Vaporeon δ
31. Holon's Voltorb
32. Holon's Electrode
33. Ditto (Pikachu)
34. Dratini δ
35. Dragonair δ
36. Beldum δ
37. Metang δ
38. Jolteon δ
39. Dragonite δ
40. Metagross δ
41. Latias δ
42. Latios δ
43. Rayquaza δ
44. Drowzee
45. Hypno
46. Ditto (Mr. Mime)
47. Ralts
48. Kirlia
49. Espeon δ
50. Gardeviour δ
51. Sandshrew
52. Cubone
53. Ditto (Geodude)
54. Makuhita
55. Hariyama
56. Groudon ☆
57. Sandslash δ
58. Marowak δ
59. Meowth
60. Perisan
61. Ditto
62. Porygon
63. Porygon2
64. Taillow
65. Swellow
66. Azurill
67. Castform
68. Poochyena
69. Umbreon δ
70. Mightyena δ
71. Holon's Magnemite
72. Holon's Magneton
73. Eevee δ
74. Skarmony
75. Metagross ☆
76. Holon Transceiver
77. Holon Scientist
78. Holon Researcher
79. Holon Mentor
80. Holon Farmer
81. Holon Lass
82. Holon Research Tower
83. Holon Ruins
84. Holon Energy GL
85. Holon Energy FF
86. Holon Energy WP

Water half-deck half

1. Staryu
2. Ditto (Squirtle)
3. Vaporeon ex
4. Marril
5. Starmie δ
6. Azumarill δ
7. Eevee
8. Potion
9. Master Ball
10. Water Energy
11. Water Energy
12. Water Energy
13. Water Energy
14. Water Energy
15. Holon Energy WP

Lightning half-deck half

1. Magnemite
2. Magneton
3. Ditto (Pikachu)
4. Jolteon ex
5. Dratini δ
6. Dragonair δ
7. Eevee
8. Great Ball
9. Super Scoop Up
10. Holon Scientist
11. Lightning Energy
12. Lightning Energy
13. Lightning Energy
14. Lightning Energy
15. Holon Energy GL

Fire half-deck half

1. Ponyta
2. Rapidash
3. Ditto (Charmander)
4. Flareon ex
5. Bagon δ
6. Shelgon δ
7. Eevee
8. Dual Ball
9. Switch
10. Holon Scientist
11. Fire Energy
12. Fire Energy
13. Fire Energy
14. Fire Energy
15. Holon Energy FF

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