50$ to call into a 84$ pot (am i reading it right? 14 go in on the flop, 10 from your bet, 10 from his call, and another 50 from his raise = 84$) is about 1.7:1 on this call.

If you think all of your outs are good you have 9 spades, 3 7's, and 2 T's = 14 outs. In a cash game this is a call just based on the math. Even with just your flush outs you're getting close to the right odds.