I found 15 mentions of Zygarde in Jirachi's analysis, 2 mentions in Mega Lopunny's analysis, 13 in Mew's analysis, 2 in Mimikyu's, 2 in Pelipper's, 3 in Mega Pinsir's, 3 in Rotom-W's, 12 in Mega Scizor's, 8 in Serperior's, 6 in Tapu Fini's, 5 in Victini's, 7 in Zapdos's and a single mention each in the analyses of Mega Sableye, Skarmory, Mega Swampert and Tapu Koko. And that's only the Pokemon that are OU by usage...