茂凱+蛋白飲SMaokai's QWR all proc Colossus's Courage shield; Protein Shake amps shield and passive heal — just stick W on enemies and chain QWR.
茂凱+虛空裂縫SVoid Rift is magic damage, so it fits AP champions with high magic pen — % magic pen amplifies it, and Pridestalker's ability damage procs it many times. Forge: magic pen > AP > MS.