Follow the Bodies is a rare Sorcery card from Murders at Karlov Manor Commander (MKC), collector number 23. Current market price: $0.31, TCGplayer market prices via Scryfall.
Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard from the battlefield this turn.) Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")