Heres a morde matchup tierlist from my experience so far in to the season cause im bored, its obviously pretty biased and will ofc depend on you as a player and the
Mordekaiser stats - Games of Legends
Mordekaiser Top Build, Runes, Counters (Patch 13.09) - OP.GG - League of Legends
Mordekaiser, the Iron Revenant - League of Legends