You say 50 rolls, okay. Does 100 rolls add much more entropy? It seems like it would double it, but maybe not.
What about 500 rolls?
Q: "How can I easily generate a seed phrase with my own entropy if I'm not an uber nerd?"
A: https://blog.lopp.net/how-to-securely-create-a-bitcoin-seed-phrase/
You say 50 rolls, okay. Does 100 rolls add much more entropy? It seems like it would double it, but maybe not.
What about 500 rolls?