Notes & Combos
So this is a funny. Taking the idea of "2 monsters = Combo" to its absolute extreme. Said 2 cards being a combination of things. Those being:
Gradius + Gradius' Option
Unexpected Dai + Gradius' Option
Unexpected Dai + Level 4 or lower Orcust
(Usually) Orcustrated Return + an Orcust
After that you're golden (ignoring the fact you end on less backrow than pure)