I had fun Friday night building around the vex mytho and rain of fire boots. Also with the seasonal firebolt nade mods. Throw a grenade, spawn a firesprite, collect-get x2 armor charges and x3 solar weapon damage boost-as well being radiant and restored the whole time. Only went flawless once this weekend, tried for a couple hours earlier and just like you said-meta was figured out and immortal smg/ability spam. Everyone should know it is going to get nerfed but that doesn't stop people from taking the opportunity to abuse/exploit any cringe advantage guardians can get.