Substitute Tier Lists Substitute-Tier-List-2017-18.pdfSubstitute-Tier-List-2018-19.pdfSubstitute-Tier-List-2019-20.pdfSubstitute-Tier-List-2020-21.pdfSubstitute-Tier-List-2021-22.pdfSubstitute-Tier-List-2022-23.pdf