The top champs outside of lane to counter Swain include Kalista, Xayah, and Sivir. These picks are all good at countering Swain with win rates over 59%. Even if these Swain counter picks are not chosen in your lane, it's not a good idea to choose him into any of these matchups. They will likely crush Swain.
Yet, if the other team picks either Elise or Jarvan IV, Swain mains should strongly think about taking him, as he easily destroys these champions with win rates over 56% against both ofthem.
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