1c Predaprimitive that ends on Cactus Bouncer. Predaprimitive essentially simply creates a bridge from Predap to Rikka via Jasmine, therefore you could also simply go for a 1c Petal or 1.5c Black Princess combo (with her cost being Jasmine).

Strenna6 summoning Hyperyton enables a Spell material which is more valuable, but you can also do the usual: summon Strenna4 and tribute her for Glamour instead to summon Hyperyton with Monster materials.