are there any easy ways to get some gear on lvl 70 characters so i can do mount runs? cba to lvl all alts to max

i tried m+ healing on my shaman to get tripple threat. how in the fuck am i meant to heal affix of 5 people? timer runs out every time

did they abandon 11.2? we got 11.1 news like 3 months before it released. we have 0 info now and its been almost 4 months of this tier.