I was making this deck since yesterday but because already was late night i postponed to today.
LES GOOOOOO
Despia archetype is a powerhouse of generic fusion support and can be splashed in many fusion decks, being most commonly used with Invoked and/or Shaddoll. I aim to make a Frightful - Despia or something like that in my next deck.
As i said before, Despia is a generic fusion archtype, and being generic means that they have someway to search themselvesv and can fusion summon monsters outside his own archetype, the first requirement is easily filled with Despia Opening, Aluber the Jester of Despia and Despian tragedy all these three cards can search Despia cards, for the second requirement you have the field spell that is a searchable fusion gate and the fusion monsters (the field spell alone already justitfy using a 5-7 card engine).
The pattern combo is fusion summon something using Dramaturge of Despia to special summon Dramaturge from the gy and get +1, you can attain this with many combinations of cards like Aluber+Opening, Dramaturge+Opening, Dramaturge + Aluber, etc...
I don't have much more to explain, you just need to read them one time and try to do what ive said.
GLHF