RD/KP18-JP007 Hybridrive Orbstar
Level 3 LIGHT Machine Effect Monster
ATK 800
DEF 700
[REQUIREMENT] If there is a Machine monster in your GY, reveal 1 Level 7 or 8 Dragon monster in your hand to your opponent.
[EFFECT] Excavate the top 3 cards of your Deck and reveal them. You can choose 1 monster among those cards with the same Level as [The Level of the monster revealed for this effect’s requirement] and Special Summon it to your field face-up. Place the remaining cards on the bottom of your Deck in any order.

RD/KP18-JP008 Hybridrive Barriertail
Level 7 EARTH Machine Effect Monster
ATK 2400
DEF 1600
If there is a face-up “Hybridrive Screwdriver” on your field, you can Normal Summon this card without a Tribute.
[REQUIREMENT] None
[CONTINUOUS EFFECT] This card’s attacks pierce. If you control a face-up Dragon monster, face-up Dragon and Machine monsters on your field cannot be destroyed by your opponent’s effects.

RD/KP18-JP060 つまずき岩 Tsumazuki Rock (Stumbling Rock)
Normal Trap Card
[REQUIREMENT] When your opponent Normal Summons a monster(s) and there are 2 or more monsters on your opponent’s field.
[EFFECT] Choose up to 3 Attack Position monsters on your opponents field and change them to face-up Defense Position, also, during this turn, while the chosen monsters are face-up, your opponent cannot Tribute Summon by Tributing the chosen monsters.

Note: Rock sounds like Lock.

Also, this card’s name has been changed from the anime where it was つまづき岩.

RD/KP18-JP35 奇星体デスタクル Kiseitai Deathtacle (Deathtacle the Strange Star Parasite)
Level 4 DARK Galaxy Effect Monster
ATK 1000
DEF 1300
[REQUIREMENT] During the turn this card is Normal Summoned.
[EFFECT] Send the top 3 cards of your Deck to the GY, also, if your opponent has not taken effect damage this turn, then you can inflict 700 damage to your opponent.

Note: It sounds like Parasite for Kiseitai but reads as “Strange Star Lifeform”.

Note: Death + Star + Tentacle, most likely. At least Death + Tentacle.

Source: The Galaxy Cup Finals