Deck has been putting in suprisingly good matches on online ladder. Ophion still hoses a few decks straight out and the primite make it easier to get it out while playing less "lswarm" overall.
Neccessary - Ophion, Primites, Chaos Angel, Psy-Frames
Ophion and the primates need no explanation, Chaos Angel is a game stealer and gives another use for Driver. the Psy-Frames are all borderline necessary, unironically thinking about moving the Delta's to the main deck.
Good - Bystials, Skull Meister
The bystials can sometimes conflict with ophion but are useful before and after/also very good going second disruption. could be cut down to only magnamhut and druiswurm, (magnamhut can gram zahak to help make sure you have names for ophion and bahamut), or expanded to include branded beast for more grind game. Skull Meister feels slightly suboptimal, compared to maining Delta or Impulse, but the dark level 4 comes up more than you'd think.
Bad - Infestation infection, Kerykeion, Bahamut, phantasmy
These almost never come up, the trap should 100% be swapped with something, Bahamut with for zeus mats and phantazmay should be swapped with something to help defend against S:P, which cooks ophion quite easily. Sauravis doesn't cut it, maybe ghost reaper but that also feels subpar. Kerykeion is more often than not just a name, but there just aren't any other names to sawp it to without still being downgrades.