Team Strength

so i know about the pull priority, but i also really like columbina, and im wondering, for the current time being, for abyss and such, is flins + columbina + sucrose + kuki viable, and then i pick up ineffa on a second rerun? or is flins + ineffa + aino + sucrose better? I know for the future post 6.x i will want both ineffa and columbina, but im quite unsure if I can get them both. or should i just get ineffa now? I also was worried about strain getting other characters, because i need lauma and citlali to complete other teams, plus varka looks cool and so does nicole, sandrone also amazing design, so getting columbina could end up being difficult, and i dont really want to wait until her 2nd rerun cuz by then there'll def be more hype units. But essentially, for current endgame is flins + columbina + sucrose + kuki viable and able to clear all endgame?(Sorry for rambling)