RD/ORP2-JP007 Deep Space Yggdrago
Level 10 DARK Cyberse Fusion Effect Monster
ATK 4000
DEF 2400
Materials: “Space Yggdrago” + “Space Yggdrago” + “Space Yggdrago”
[REQUIREMENT] None
[CONTINUOUS EFFECT] This card cannot be destroyed by effects. This card’s attacks pierce. Your opponent’s face-up Level 7 or higher monsters lose 1000 ATK.

RD/ORP2-JP008 Dual Space Yggdrago
Level 9 DARK Cyberse Fusion Effect Monster
ATK 3300
DEF 2400
Materials: “Space Yggdrago” + “Space Yggdrago”
[REQUIREMENT] None
[EFFECT] Choose monsters in your GY equal to [The number of monsters on your opponent’s field] and shuffle them into the Deck. During this turn, this card can make attacks on monsters up to the [The number of monsters returned]. If you returned 3, then, during this turn, this card’s attacks pierce.

RD/ORP2-JP009 Space Yggdrago
Level 7 DARK Cyberse Effect Monster
ATK 2400
DEF 0
[REQUIREMENT] Send 1 card from your field to the GY.
[EFFECT] Special Summon 1 Cyberse monster from the hand to your field face-up.

RD/ORP2-JP010 Multi-Space Yggdrago
Level 8 DARK Cyberse Effect Monster
ATK 2400
DEF 0
[REQUIREMENT] Send the top card of the Deck to the GY.
[EFFECT] This card’s name becomes “Space Yggdrago” during this turn. Then, you can choose 1 non-Level 8 Cyberse monster with 0 DEF in your GY and add it to the hand.

RD/ORP2-JP011 Peacock Picotron (Reprint)

RD/ORP2-JP012 Chaos Femtron
Level 4 DARK Cyberse Effect Monster
ATK 1400
DEF 100
[REQUIREMENT] If the only monster(s) in your GY are Cyberse monster(s).
[EFFECT] Send the top 3 cards of your Deck to the GY, then, you can choose 1 Cyberse monster with 0 DEF among them and add them to the hand.

RD/ORP2-JP013 Femtron (Reprint)

RD/ORP2-JP015 Space Bud Exploit
Level 2 DARK Cyberse Effect Monster
ATK 300
DEF 100
[REQUIREMENT] If there is a face-up Level 7 or higher Cyberse monster(s) on your field, send the top card of the Deck to the GY.
[EFFECT] Inflict 500 damage to your opponent, then, you can choose 1 “Deep Warning Fusion” in your GY and Set it in your Spell & Trap Zone.

RD/ORP2-JP016 Space Seed Driver
Level 1 DARK Cyberse Effect Monster
ATK 0
DEF 1000
[REQUIREMENT] If there is a face-up Level 7 or higher Cyberse monster(s) on your field and the only monster(s) in your GY are Cyberse monster(s).
[EFFFECT] Choose 1 Level 2 or higher LIGHT or DARK monster with 0 DEF in your GY and add it too the hand.

RD/ORP2-JP018 Space Call
Normal Spell Card
[REQUIREMENT] Reveal 1 Cyberse monster in the hand to your opponent.
[EFFECT] Send the top 3 cards of your Deck to the GY, then, you can choose 1 Level 7 or higher Cyberse monster among them and Special Summon it to your field face-up. If you chose “Space Yggdrago” with this effect, then, you can draw 1 card.

RD/ORP2-JP020 Deep Warning Fusion
Normal Spell Card
[REQUIREMENT] None
[EFFECT] Send either only monsters from your hand or only face-up monsters on your field to the GY as material and Fusion Summon a LIGHT or DARK Cyberse monster. If you sent a monster whose original card name is “Space Yggdrago” with this effect, then, you can choose 1 card on your opponent’s field and destroy it.

RD/ORP2-JP023 Deep Space Impact
Normal Trap Card
[REQUIREMENT] When your opponent’s monster declares an attack.
[EFFECT] Choose a total of 3 to 6 Cyberse monsters, “Fusion” or “Deep Warning Fusion” in your GY and return them to the top of the Deck. If there is a face-up Fusion Monster on your field, then, you can choose 1 monster on your opponent’s field and destroy it.

RD/ORP2-JP024 Dwellchair Chord (Scarechair Code Chords)
Level 1 DARK Cyberse Effect Monster
ATK 0
DEF 0
[REQUIREMENT] Place 1 card from the hand on the bottom of the Deck.
[EFFECT] Choose a total of 2 Cyberse Maximum Monsters and/or DARK Fiend monsters with 0 ATK and 2400 or more DEF in your GY and add them to the hand.

Note: Code and Chord are spelled the same way in Japanese, and this is clearly meant to reference both.

RD/ORP2-JP004 Yggdrago the Sky Emperor [L] (Reprint; Over Rush Rare)
RD/ORP2-JP005 Yggdrago the Sky Emperor (Reprint; Over Rush Rare)
RD/ORP2-JP006 Yggdrago the Sky Emperor [R] (Reprint; Over Rush Rare)

Source: Yu-Gi-Oh!.JP