A minimal Labrynth engine to open more purple cards. Arianna searches Welcome to summon Lovely. If you already have some of those pieces, the field spell's good for recursion and turning Welcome into disruption. Or Ariane for followup Rank 4 plays or further draw.
Lord of the Heavenly Prison provides protection, a large body and followup: setting Extravagance or some situationally useful trap.
Outside of that, lots of purple cards. Ice Dragon's Prison and Storming Mirror Force are your only non-targeting options. Underworld Goddess in the extra deck is another possibility if you can amass enough monsters. Torrential + Strike or Storming + Strike to break established boards. Bottomless and Compulsory for simple, flexible single target removal. Imperm doesn't remove or proc your Labrynth but it's very good utility. And lastly, Punishment for an easy 2 for 1 (or even 3 with Lovely up).
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