How many units to do u think is enough to do act 6.4.6

HSS75

i plan to do the cosmic path in this quest and face the grandmaster so how many units do u think i need to do this? i am above average and my team is symbiote supreme, aegon, long shot, magneto and captain america infinity war. i don't have any revives saved up.

HSS75

all 5 stars by the way, and all except long shot are rank 5