{"canonical_id_v02":"5808d2165b8d","identity":{"artist":"See Machine","game":"mtg","grade":"raw","image_url":"https://cards.scryfall.io/normal/front/6/8/68875b43-6839-467c-909e-52fd2212b7de.jpg?1783905112","locale":"en","name":"Phyrexian Altar","number":"16","rarity":"rare","series_slug":"secret-lair-countdown-kit","set_name":"Secret Lair Countdown","set_slug":"secret-lair-countdown","vintage":"modern_rotation"},"meta":{"build_inputs_sha":"dd33b3c6ef9b37c9","confidence_tier":"T1_sales_derived","generated_at_utc":"2026-08-30T16:37:28Z","methodology_version":"v0.7","schema_version":"0.2.0"},"narrative":null,"price":{"bid_ask_spread_pct":null,"by_printing":{"Foil":{"buylist":null,"fetched_at_utc":"2026-08-29T00:00:00Z","listed_median":null,"market_price":58.32},"Normal":{"buylist":null,"fetched_at_utc":"2026-08-29T00:00:00Z","listed_median":null,"market_price":57.67}},"cohort_relative_zscore":null,"fetched_at_utc":"2026-08-29T00:00:00Z","latest_buylist":null,"latest_listed_median":null,"latest_market_price":58.32,"primary_printing":"Foil","primary_printing_in_record":"Foil","primary_printing_resolution":"exact"},"similar_cards":[],"structure":{"_methodology_version":"v0.7","_source_breakdown":{"tcgcsv_archive":30,"tcgcsv_forward":559},"as_of_date":"2026-08-29","ath_date":"2025-11-08","ath_price":67.49,"atl_date":"2025-11-10","atl_price":27.57,"canonical_id_v02":"5808d2165b8d","canonical_id_v03":null,"canonical_id_v1":null,"climatology_baseline_pct":{"CALM":38,"DRAWDOWN":23,"HEATED":39},"cohort_label":"mtg-en-raw-modern_rotation","cohort_source":"derived","current_off_ath_pct":-14.55,"current_price":57.67,"history_first_date":"2025-11-07","history_last_date":"2026-08-29","history_n_obs":589,"history_n_obs_series":296,"liquidity_tier":"T1","notable_moments":[{"date":"2026-06-05","delta_pct":null,"label":"DRAWDOWN→CALM","price":null,"type":"regime_break"},{"date":"2026-05-30","delta_pct":null,"label":"CALM→DRAWDOWN","price":null,"type":"regime_break"},{"date":"2026-05-27","delta_pct":null,"label":"DRAWDOWN→CALM","price":null,"type":"regime_break"},{"date":"2026-05-22","delta_pct":null,"label":"HEATED→DRAWDOWN","price":null,"type":"regime_break"},{"date":"2026-05-10","delta_pct":null,"label":"DRAWDOWN→HEATED","price":null,"type":"regime_break"},{"date":"2025-11-11","delta_pct":39.7,"label":"+40% day-over-day","price":38.51,"type":"outlier_spike"},{"date":"2025-11-10","delta_pct":-57.4,"label":"-57% day-over-day","price":27.57,"type":"outlier_spike"},{"date":"2025-11-10","delta_pct":-59.1,"label":"-59% off peak","price":27.57,"type":"drawdown_low"}],"position_in_own_range_pctile":86,"regime_entered_date":"2026-06-05","regime_label":"CALM","regime_occupancy_pct_1y":{"CALM":31,"DRAWDOWN":48,"HEATED":21},"regime_occupancy_pct_lifetime":{"CALM":31,"DRAWDOWN":48,"HEATED":21},"regime_run_length_days":85,"regime_transitions":[{"date":"2025-12-21","from":"HEATED","to":"DRAWDOWN"},{"date":"2025-12-30","from":"DRAWDOWN","to":"HEATED"},{"date":"2026-01-10","from":"HEATED","to":"DRAWDOWN"},{"date":"2026-05-10","from":"DRAWDOWN","to":"HEATED"},{"date":"2026-05-22","from":"HEATED","to":"DRAWDOWN"},{"date":"2026-05-27","from":"DRAWDOWN","to":"CALM"},{"date":"2026-05-30","from":"CALM","to":"DRAWDOWN"},{"date":"2026-06-05","from":"DRAWDOWN","to":"CALM"}],"residual_vs_cohort_14d_pct":1.69,"residual_vs_cohort_30d_pct":-5.38,"residual_vs_cohort_90d_pct":-1.32,"series_printing":"Normal","series_printing_determinacy":{"decided_by":"total_tiebreak","margin":0,"n_candidates":2,"pool":"recent","tie_members":["Foil","Normal"]}},"trajectory":{"return_1y_pct":null,"return_30d_pct":-4,"return_7d_pct":1.37,"return_90d_pct":6.99,"series_30d":[{"date":"2026-07-30","price":60.07},{"date":"2026-07-31","price":60.07},{"date":"2026-08-01","price":60.07},{"date":"2026-08-02","price":60.95},{"date":"2026-08-03","price":60.95},{"date":"2026-08-04","price":60.54},{"date":"2026-08-05","price":60.34},{"date":"2026-08-06","price":60.14},{"date":"2026-08-07","price":60.13},{"date":"2026-08-08","price":59.48},{"date":"2026-08-09","price":59.16},{"date":"2026-08-10","price":59.51},{"date":"2026-08-11","price":59.66},{"date":"2026-08-12","price":57.59},{"date":"2026-08-13","price":57.59},{"date":"2026-08-14","price":56.41},{"date":"2026-08-15","price":56.16},{"date":"2026-08-16","price":56.75},{"date":"2026-08-17","price":56.71},{"date":"2026-08-18","price":55.71},{"date":"2026-08-19","price":55.69},{"date":"2026-08-20","price":56.01},{"date":"2026-08-21","price":56.33},{"date":"2026-08-22","price":56.89},{"date":"2026-08-23","price":56.59},{"date":"2026-08-24","price":56.6},{"date":"2026-08-25","price":57.31},{"date":"2026-08-26","price":57.73},{"date":"2026-08-27","price":57.87},{"date":"2026-08-28","price":58.02},{"date":"2026-08-29","price":57.67}],"series_90d_thinned":[{"date":"2026-05-31","price":53.9},{"date":"2026-06-02","price":53.27},{"date":"2026-06-04","price":53.67},{"date":"2026-06-06","price":55.25},{"date":"2026-06-08","price":55.34},{"date":"2026-06-10","price":55.58},{"date":"2026-06-12","price":56.1},{"date":"2026-06-14","price":56.81},{"date":"2026-06-16","price":56.81},{"date":"2026-06-18","price":58.13},{"date":"2026-06-20","price":58.39},{"date":"2026-06-22","price":58.86},{"date":"2026-06-24","price":57.99},{"date":"2026-06-26","price":57.75},{"date":"2026-06-28","price":57.43},{"date":"2026-06-30","price":57.77},{"date":"2026-07-02","price":57.09},{"date":"2026-07-04","price":56.79},{"date":"2026-07-06","price":55.75},{"date":"2026-07-08","price":55.53},{"date":"2026-07-10","price":56.04},{"date":"2026-07-12","price":56.57},{"date":"2026-07-14","price":58.04},{"date":"2026-07-16","price":57.96},{"date":"2026-07-18","price":57.55},{"date":"2026-07-20","price":56.66},{"date":"2026-07-22","price":58.29},{"date":"2026-07-24","price":58.67},{"date":"2026-07-26","price":60.12},{"date":"2026-07-28","price":60.18},{"date":"2026-07-30","price":60.07},{"date":"2026-08-01","price":60.07},{"date":"2026-08-03","price":60.95},{"date":"2026-08-05","price":60.34},{"date":"2026-08-07","price":60.13},{"date":"2026-08-09","price":59.16},{"date":"2026-08-11","price":59.66},{"date":"2026-08-13","price":57.59},{"date":"2026-08-15","price":56.16},{"date":"2026-08-17","price":56.71},{"date":"2026-08-19","price":55.69},{"date":"2026-08-21","price":56.33},{"date":"2026-08-23","price":56.59},{"date":"2026-08-25","price":57.31},{"date":"2026-08-27","price":57.87},{"date":"2026-08-29","price":57.67}],"series_key":"662054|Normal","series_printing":"Normal"},"vendor_links":{"cardmarket_url":null,"ebay_search_url":"https://www.ebay.com/sch/i.html?_nkw=Phyrexian%20Altar%20Secret%20Lair%20Countdown&mkcid=1&mkrid=711-53200-19255-0&campid=5339074870&toolid=10001","pokemontcg_url":null,"scryfall_url":"https://scryfall.com/search?q=Phyrexian%20Altar","tcgplayer_url":"https://www.tcgplayer.com/search/all/product?q=Phyrexian%20Altar%20Secret%20Lair%20Countdown&partner=7060428&utm_campaign=affiliate&utm_medium=tcgvibes&utm_source=tcgvibes"},"_handle":{"canonical_id":"5808d2165b8d","game":"mtg","html":"https://tcgvibes.com/cards/5808d2165b8d","methodology":"https://tcgvibes.com/methodology","witness_chain":"https://tcgvibes-witness.jjk91525.workers.dev/chain/latest","build_shard":"cards/mtg/builds/dd33b3c6ef9b37c9/58.json","provenance_fields":["price.fetched_at_utc","price.latest_market_price","price.primary_printing","meta.build_inputs_sha","meta.methodology_version","meta.schema_version","meta.confidence_tier","meta.generated_at_utc"],"reading":"`provenance_fields` lists the provenance keys THIS record actually carries, derived from it rather than written down: the price.* entries name the OBSERVATION, the meta.* entries identify the BUILD and the RULE that derived it. The witness chain carries the per-day envelope with its own code_commit and prev_hash. Every field here is served verbatim from the build shard — this block points, it never restates."}}