E · Optimization & Practice · §18
Track decisions rather than results — opening structure, Legend usage, movement, scoring, interaction, champion choice.
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From the guide — §18 Testing Framework
Opening structure — did the opening four contain a shuffled unit? A two-Energy unit? Did the mulligan produce a functional curve, or was the hand relying too heavily on Silent?
Legend — on what turn was it Empowered? How many empowered retreats occurred, and how many actually led to a second deployment? How many opposing cards or abilities were invalidated? How many points were conceded because of retreat?
Movement — Silent movement triggers, Herder draws, Deadly Weapon damage triggers, Back-Alley Bar bonuses carried elsewhere, and any time Zhonya was mistakenly valued as a movement effect.
Scoring — first scoring window lost, whether you attacked the correct battlefield, whether you preserved a unit instead of a point, whether two-battlefield pressure was available, and whether the opponent successfully concentrated all Might at one location.
Interaction — what Defy countered, whether holding it would have been stronger, whether Not So Fast had a legal high-value target, whether Brynhir was played before or after the important window, and whether Thermo destroyed enough Gear to justify the cost.
Champion selection — would Silent’s protection or +2 have mattered more? Would Deadly Weapon have killed relevant units? Did the switch improve the actual matchup, or merely lower the curve?