(https://raw.githubusercontent.com/Lyris12/Lyris-Cards/master/pics/102400042.png)
Art found by jspenc29 of DuelingBook
Supreme Polymerization from Underground
Normal Spell
When you activate this card, you can also banish 1 card from your hand; Fusion Summon 1 Fusion Monster from your Extra Deck, by banishing Fusion Materials mentioned on it from either GY. Unless you also banished a card at activation, you must banish at least 1 Fusion Material from each GY. You can only activate 1 "Supreme Polymerization from Underground" per turn.
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Rank-Up-Magic Chain Force
Normal Spell
Pay half your LP, and target 1 Xyz Monster you control: Special Summon, from your Extra Deck, 1 Xyz Monster with the same Type and Attribute as that monster, but up to 2 Ranks higher, by using it as the material, then you can immediately target the Summoned monster and apply this effect again in a row (This Special Summon is treated as an Xyz Summon, also transfer its materials to the Summoned Monster). If you control no Xyz Monsters when you activate this card: You can Special Summon 1 Xyz Monster from your Extra Deck, before applying this card's effect. You can only activate "Rank-Up-Magic Chain Force" once per Duel.
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Art from Yu-Gi-Oh! Arc-V Episode 125
Parasite Integration
Quick-Play Spell
Special Summon 1 "Fusion Parasite" from your Deck, then apply its activated effect, then you can equip to 1 of your Fusion Monsters, 1 "Fusion Parasite" (anywhere) that was used as Fusion Material this turn. If your Fusion Monster(s) would be destroyed by battle or card effect while this card is in your GY, you can banish this card OR destroy 1 "Fusion Parasite" equipped to 1 of those monsters, instead.
(https://raw.githubusercontent.com/Lyris12/Lyris-Cards/master/pics/102400309.png)
Art generated by Dall-E AI
Power Nap
Quick-Play Spell
During your turn: Change all your monsters to face-down Defense Position, also, change all your monsters to face-up Defense Position (but negate their effects) after this Chain resolves.