This rabbi has blessed me, for my Todah volunteer work at Kallah and is a guest speaker for my current rabbinic ordination studies class.

There's a PDF link in this for the Haggadah.

https://theshalomcenter.org/sites/default/files/mlk50_freedom_seder_pdf_2-25-18.pdf

https://www.philly.com/philly/news/freedom-seder-passover-easter-mlk-assassination-philly-rabbi-arthur-waskow-shalom-center-20180327.html