Patterns Slay the Spire exemplifies

Pattern	How Spire uses it
subtractive-deckbuilding	Power lives in removing weak cards, not adding strong ones. Inverts traditional deckbuilders.
card-draft-with-skip	Post-fight reward = pick 1 of 3 or skip. Skipping has real value because thin decks are stronger.
branching-dag-map	Procedural map with partial-info path planning; player commits to a route at the start of each act.
tight-energy-budget	3 energy / 5 cards forces hard prioritization every turn.
expiring-block	Defense doesn't accumulate across turns. Forecast every turn separately.
enemy-intent-telegraph	Enemies signal next action visibly. Combat = optimization puzzle, not RNG fight.
rule-breaking-relics	Each relic adds a small modifier that warps a run's identity. Hundreds of relics → hundreds of run flavors.
bonus-with-drawback	Boss relics (and many uncommon relics) pair upside with a real cost. Forces commit.
cumulative-modifier-staircase	20 stacking single-lesson modifiers, not a slider. Now a genre-standard pattern.
meta-as-variety-not-power	Unlocks expand the space, never raise base stats. Run integrity preserved.
orthogonal-class-design	Each character is a different system stack on top of the same combat shell, not a stat reskin.
shared-seed-daily	Same seed for everyone today; leaderboard reveals skill. Low cost, high engagement.
metrics-driven-balance	Patches driven by win-rate / pick-rate telemetry, not vibes.
pity-system-anti-streak	Hidden counters bias rare drops upward when unlucky; smooths feel-bad runs.
handcrafted-pcg-hybrid	Hand-authored content + procedurally arranged map.