I love this idea so much that I've been tweaking with an idea for a faster mill strategy. It's very consistent against mages, but I haven't tried it vs anything higher since champs and other foes have higher deck counts.
This is what I've been working with so far. I might cut the third Protect Artifact for something else, but it is nice to use it on my towers/pendulums if I get the Jade Shield out soon enough.

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