Sam2:
The Sefer is called Tosafos Hashalem. It is a many-volumed set arranged according to the parshiyos. It is a likut of Ba’alei Tosafos. The piece I quoted is in Parshas Vayigash 46:10 Ose 2 and seems to be from the Riva (if I understand their sourcing). I couldn’t find it on hebrewbooks so here is the exact quote:
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