E · Optimization & Practice · §15
What to log, and the one number that tells you whether the deck is doing its job.
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From the guide . §15 Testing Framework
The log schema for this deck adds two fields most guides do not need: the turn of your first conquest, and how many of your points came from holds rather than conquests.
This is the deck’s health metric. A Lillia deck taking its first point on turn three is doing what it was built to do; one taking its first point on turn six has been playing a game it does not win.
Track it because it tells you whether the seven-unit permanent half is enough. If holds are contributing nothing across a testing block, the argument for cutting Mask and in favour of more real bodies gets stronger, and that is a change worth making on evidence rather than on the reasoning in Section 11 alone.