How to tell a key card -- the hate

[tvaduva]

IIRC, I think Magnum Opus was considered powerful in the Genesis cycle after Test Run was released, but not overly powerful, but it’s gone down after C&C and @Alexfrog’s excellently analyzed comparison article to ProCo, then both have been outclassed by run-based econ and Prepaid econ. It’s gotten a resurgence after Beth.

I hear worry over Magnum Opus when people talk about post-rotation and losing 4 3/2 agendas, like the current World Champion post here:

Post-rotation deck building is going to be different

So, here’s the challenge. You can build whatever deck you want, but your win condition has to be scoring out (so not net damage, combo or kill) and you can’t use any 3/2’s. Nor, for the sake of argument, can you use other fast advance or never advance tricks. You’re going to score out the old fashioned way; by scoring 5/3s and 4/2s in a remote over multiple turns. I’ll take a generic Shaper deck with some breakers and Beth and I’ll spend the first few turns setting up my board. Once I’ve done that I’ll mash my face in to Magnum Opus five times a turn, every single turn, unless you’ve got four points or more and have left an agenda advanced in a remote. You can play this game a bunch of times, and you’ll find two predictable results. The Shaper deck will win the vast majority of games. N…