The hosts lost six wickets in the first session for 94 runs after resuming on four for no loss on Day 2 of the fourth Ashes Test in Melbourne.
Besides his batting, he was just as exceptional behind the stumps, taking some really clean catches to prove his mettle as one of the best glovesmen in world cricket right now.
Cummins has been sidelined with a lumbar stress injury since Australia swept West Indies in the Caribbean in July.
Chameera ripped through Pakistan's top order with three wickets for three runs in the powerplay, removing Sahibzada Farhan, Babar Azam for a two-ball duck and Fakhar Zaman to leave the hosts reeling at 43-4.
Travis Head proved England's nemesis once again as he scored his second century of the Ashes to carry Australia toward a seemingly inevitable series triumph on day three at Adelaide Oval on Friday.
The 19-year-old looked set for a double century and join the likes of India's Abhigyan Kundu and South Africa's Jorich Van Schalkwyk in the elite 200-plus club.
Labuschagne underlined the cricket adage that "catches win matches", while England counted the cost of dropped chances in Adelaide.
Steve Smith and Travis Head hit centuries to help Australia dominate the third day's play by stretching their lead against England in the fifth and final Ashes Test.
Cameron Green and Alex Carey guided Australia to an emphatic five-wicket victory against England, to claim the series 4-1, on Day 5 of the fifth Ashes Test on Thursday.
'It's a double-edged sword, but I'm enjoying it.'
Marnus Labuschagne said the time for such experiments was over.
Australia may opt to continue with a four-prong pace attack at Adelaide and even add another part-time seamer in all-rounder Beau Webster, who could replace batter Josh Inglis in the lower middle order.
'I think it's a huge credit to (head coach) Andrew McDonald, the coaching staff and the medical staff that we feel like we've got a big squad that we can draw on.'
Pakistan fast bowler Naseem Shah will stay with the squad for the upcoming ODI series against Sri Lanka in Rawalpindi despite an attack on his residence in Lower Dir in Khyber Pakhtunkhwa province.
Former captain Babar Azam and pacer Naseem Shah have been recalled to Pakistan's T20 squad for the upcoming home assignment against South Africa and a tri-Series involving Sri Lanka and Zimbabwe next month.
Captain Pat Cummins and spinner Nathan Lyon have returned to the Australia XI for the third Ashes Test against England in Adelaide.
'We have to show consistency and move forward with the current combination.'
IMAGES from Day 1 of the 1st Ashes Test played in Perth on Friday.
Review technology under fire again in Adelaide Ashes Test
Eyeing a record-extending 12th title, a dominant India will look to underline their supremacy over arch-rivals Pakistan when they clash in the Under-19 Asia Cup final at the ICC Academy, in Dubai on Sunday.
Pat Cummins on Saturday rated himself a "half chance" to play the day-night Test against England in Brisbane from December 4.
'Dad played the biggest role in my cricket, coached me all the way through and sort of let me go as I got into my older teenage years, but (he) would always shoot a message (like) 'put the reverse sweep away'.'
The Ashes could be decided within days at an Adelaide Oval furnace where England's hopes of wresting back the urn will fire anew or flame out entirely against a strengthened Australia.
Travis Head smashed a blistering century at the top of the order to set up an eight-wicket win in the Ashes series opener in Perth.
'It's on track and pulling up pretty well. (I'm) half a chance for the next game.'
England's Joe Root conquered his final frontier with a first Ashes century in Australia as the tourists pushed past 300 on day one of the second Test in Brisbane on Thursday despite a six-wicket haul from pace spearhead Mitchell Starc.
IMAGES from Day 2 of the 1st Ashes Test in Perth on Saturday.
Australia's Travis Head says he is prepared to open the batting once more against England during the ongoing Ashes series after his second innings display in the first Test in Perth last week led the home side to an eight-wicket victory over the tourists.
'That so many have reached such an advanced stage of their careers without obvious replacements is certainly a reflection of their quality, but will be a matter of concern in the case of more injuries during the series.'
Steve Smith said the decision to drop Nathan Lyonwas taken to strengthen the pace-bowling department.
Australia, England registered shameful record during first Ashes Test at Perth as express pace dominates proceedings
The officials said Usman, who was well familiar with the Valley terrain, was a significant figure in orchestrating numerous terror attacks since his initial activity in the early 2000s.
'The tailenders should have looked to bat with Jamie Smith. Really poor from the batters towards the end. The plan should have been to give him the strike and let him do the heavy lifting.'
Australia captain Steve Smith has declined to rule out a surprise return for fast bowler Pat Cummins for the second Ashes Test against England.
Taking his 17th Test five-wicket haul, he finished with 7 for 58 off 12.5 overs.
'The moment was right': Head floors England with match-winning hundred
Bazball is in the firing line, with former players and pundits decrying the high-risk game on Australia's spicy pitches.
Konstas, 20, misses out after a poor tour with the bat in the West Indies, while Weatherald has been included after topping the Sheffield Shield runs list
Reeling from injuries to captain Pat Cummins and paceman Josh Hazlewood, Australia have received a boost ahead of the first Ashes Test in Perth starting Friday, with Cameron Green telling reporters he is ready to bowl free of any restrictions.
A source close to Tahir said that the Olympian was clear that unless players are aware that the head coach has the final say, there is no way the team can show improvement.