Neo Go Rush cover card ideas

Entropy Galactica Oblivion
Level 9/DARK/Galaxy/Fusion/Effect
3000ATK/2500DEF
1 Level 7 LIGHT Galaxy monster + 2 DARK Galaxy monsters
You can Contact Fuse this card.
[REQUIREMENT] Shuffle 1 LIGHT Galaxy monster and 1 DARK Galaxy monster from your GY into the Deck.
[EFFECT] Until the end of your opponent's turn, this card cannot be destroyed by Trap effects or Multi-Choice effects, also all monsters on your opponent's field lose ATK [equal to the combined Levels of monsters shuffled into the Deck by this effect's requirement] x400.

Transam Space-Praime Armor Nova
Level 9/LIGHT/Galaxy/Fusion/Effect
3000ATK/1600DEF
"Transam Praime Armor Nova" + 1 or more LIGHT non-Galaxy monsters
[REQUIREMENT] N/A
[CONTINUOUS EFFECT] Each turn, this card can attack up to [the number of monsters on your field with different Types used as material]. Cannot be destroyed by card effects, except LIGHT monster effects.

Triple Sevens Road Magician
Level 10/DARK/Magical Knight/Fusion/Effect
3000ATK/2500DEF
"Sevens Road Magician" + 2 Level 7 non-DARK and non-Spellcaster monsters
[REQUIREMENT] Your opponent has a Level 7 or higher monster on their field. Send the top card of your Deck to the GY.
[MULTI-CHOICE EFFECT] ● Destroy all monsters on your opponent's field. ● Until the end of your turn, this card gains ATK [for each Type in your GY] x300, and additional ATK [for each Type in your opponent's GY] x300. ● This card cannot be destroyed by card effects, except Magical Knight monster effects, until the end of your opponent's turn.