Metropolis MC Tc for the DFT-relaxed Ge-substituted MnBi cell (x=0.1875) from the Ouro TB2J exchange pair list (6896 pairs, action 01a044d5): chi-peak Tc ~450 K at L=6/8, vs parent-control ~425-440 K, paper claim 780 K, Gate 0 ML 412 K. Completes the matched parent-vs-candidate comparison.