From “Over Force of the Abyss”.

A version of the video premiered earlier than usual.

ヴォイドアルヴ・アメンボイジャー Voidalfr Amenboyager [Voidalfr Voyastrider]
Level 1 WATER Galaxy Effect Monster
ATK 100
DEF 100
【REQUIREMENT】 If there are 10 or more cards in your Deck, send 1 EARTH, WATER, FIRE or WIND Galaxy monster from your hand to the Graveyard OR Shuffle 4 non-Level 1 Galaxy monsters from your Graveyard into the Deck.
【EFFECT】 Draw 1 card.

ヴォイドアルヴ・タマムシュトルーベ Voidalfr Tamamustruve [Voidalfr Buprestruve]
Level 2 WIND Galaxy Effect Monster
ATK 900
DEF 1300
【REQUIREMENT】 Send the top 2 cards of your Deck to the Graveyard.
【EFFECT】 This card’s name is treated “Voidalfr Heavenstar” for the rest of the turn. Then, you can choose up to 2 “Micronova” in your Graveyard and it to the hand. After this effect is activated, you cannot activate the effect of monsters until the end of the turn, except Galaxy monsters.

Note: This card is Tamamushi (Jewel Beetle/Buprestid(ae)) + Struve. Which I think references the Struve family, a German noble family notable for producing 5 generations of astronomers.

ヴォイドアルヴ・マンティスター Voidalfr Mantistar
Level 4 WIND Galaxy Effect Monster
ATK 1000
DEF 600
【REQUIREMENT】 If there are 3 Attributes among the face-up monsters on your field OR if “Micronova” is in your Graveyard.
【EFFECT】 Choose 1 non-Level 4 EARTH, WATER, FIRE or WIND Effect Galaxy monster in your Graveyard and add it to your hand. Then, you can choose 1 “Micronova” in your Graveyard and add it to the hand.

ヴォイドアルヴ・アントロメダ Voidalfr Antromeda
Level 5 EARTH Galaxy Effect Monster
ATK 1000
DEF 1700
If there are 3 or more Galaxy monsters in your Graveyard, you can Normal Summon this card without a Tribute.
【REQUIREMENT】 Send the top card of the Deck to the Graveyard.
【EFFECT】 During this turn, if you would Tribute Summon a Galaxy monster in Attack Position, you can treat this face-up card as 2 Tributes. Also, you can choose 1 “Voidalfr Heavenstar” in your Graveyard and add it to the hand.

RD/KP24-JP006 ヴォイドアルヴ・ヘヴンスター Voidalfr Heavenstar
Level 7 FIRE Galaxy Effect Monster
ATK 2400
DEF 1600
【REQUIREMENT】 If there are 10 or more cards in your Deck, shuffle 1 card from your Graveyard back into the Deck.
【EFFECT】 Choose 1 card in your hand and send it to the Graveyard. Then, you can draw 1 card. If you drew, you can also choose 1 “Micronova Fusion” in your Graveyard and add it to the hand.

ヴォイドアルヴ・スターストライプ Voidalfr Star Stripe
Level 9 WIND Galaxy Fusion Effect Monster
ATK 3000
DEF 2400
Materials: “Voidalfr Heavenstar” + 1 WIND monster
【REQUIREMENT】 During your Main Phase that this card was Fusion Summoned, shuffle 1 Level 7 or lower WIND monsters from your Graveyard into the Deck.
【EFFECT】 This card gains 500 ATK x [The Level of the monster returned by this effect’s requirement] until the end of the turn. Monsters you control cannot attack for the rest of the turn, except Galaxy monsters.

ヴォイドアルヴ・スターメイフライ Voidalfr Star Mayfly
Level 9 WATER Galaxy Fusion Effect Monster
ATK 3000
DEF 2400
Materials: “Voidalfr Heavenstar” + 1 WATER monster
【REQUIREMENT】 During your Main Phase that this card was Fusion Summoned, shuffle 3 Galaxy monsters from your Graveyard into the Deck, including a WATER monster.
【EFFECT】 Choose up to a total of 3 face-up Level 8 or lower monsters or face-down monsters on your opponent’s field and return them to the owner’s hand. You can only attack with 1 monster for the rest of the turn.

マイクロノヴァ Micronova
Normal Spell Card
【REQUIREMENT】 Send 1 card from the hand to the Graveyard.
【EFFECT】 Choose 1 face-up monster on your field and have it gain 800 ATK until the end of the turn. Then, you can inflict 100 damage to your opponent x [The number of different Attributes in your Graveyard].

マイクロノヴァ・フュージョン Micronova Fusion
Normal Spell Card
【REQUIREMENT】 None
【EFFECT】 Fusion Summon a monster whose materials specifically mention “Voidalfr Heavenstar” by sending monsters whose original Type is Galaxy from your hand or field to the GY.