We've been running it this entire time, it's a boss. It's not a great cheat-out target since you need someone to have a GY so if you're trying to black lotus into nemesis you're going to have a small-guy, but there are a lot of spots where it plays WAY above its cost. Attacking for 6+ is a regular ACS to WCS for Nemesis, and when you're swinging for 10 it feels crazy. I think Sewer Nemesis is massively underrated.
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