וַיֹּ֙אמֶר֙ הַשְׁלִיכֵ֣הוּ אַ֔רְצָה וַיַּשְׁלִיכֵ֥הוּ אַ֖רְצָה וַיְהִ֣י לְנָחָ֑שׁ וַיָּ֥נָס מֹשֶׁ֖ה מִפָּנָֽיו׃
And He said: ‘Cast it on the ground.’ And he cast it on the ground, and it became a serpent; and Moses fled from before it.
Find Mishnaic references to Exodus 4:3: , passages from the 63 tractates of the Mishnah.