diff --git a/src/static_src/scss/_card-deck.scss b/src/static_src/scss/_card-deck.scss
index 61c0577..d331469 100644
--- a/src/static_src/scss/_card-deck.scss
+++ b/src/static_src/scss/_card-deck.scss
@@ -615,6 +615,22 @@ html:has(.sig-backdrop) {
     }
 }
 
+// ─── My Sign picker — FLIP btn (polarity toggle) ──────────────────────────────
+// Bottom-left corner of the stage card, mirroring game_kit.html's
+// `.fan-flip-btn` placement convention (per [[sprint-my-sign-picker-may18h]]).
+// SPIN (orientation 180° rotation) stays in `.sig-stat-block` — the FLIP btn
+// here toggles polarity (data-polarity attr + persisted significator_reversed).
+.my-sign-flip-btn {
+    position: absolute;
+    z-index: 25;
+    bottom: 0.4rem;
+    // .sig-stage has padding-left: 1.5rem; this offset places the btn just
+    // inside the stage card's bottom-left corner (the card sits flex-end /
+    // flex-start, anchored to the stage's left padding).
+    left: calc(1.5rem + 0.4rem);
+    margin: 0;
+}
+
 // ─── Mini card grid ───────────────────────────────────────────────────────────
 // flex: 0 0 auto — shrinks to card content; no background (backdrop blur).
 // align-content: start prevents CSS grid from distributing extra height between rows.
diff --git a/src/static_src/scss/rootvars.scss b/src/static_src/scss/rootvars.scss
index e528363..288a9f7 100644
--- a/src/static_src/scss/rootvars.scss
+++ b/src/static_src/scss/rootvars.scss
@@ -458,8 +458,8 @@
 .palette-maryland {
     --priUser: var(--quiBlt);
     --secUser: var(--sixBlt);
-    --terUser: var(--terYl);
-    --quaUser: var(--priBlt);
+    --terUser: var(--secBlt);
+    --quaUser: var(--priYl);
     --quiUser: var(--octBlt);
     --sixUser: var(--quiBlt);
     --sepUser: var(--quiBlt);
diff --git a/src/templates/apps/billboard/my_sign.html b/src/templates/apps/billboard/my_sign.html
index ae16808..17248bb 100644
--- a/src/templates/apps/billboard/my_sign.html
+++ b/src/templates/apps/billboard/my_sign.html
@@ -16,8 +16,15 @@
      {% if current_significator %}data-current-card-id="{{ current_significator.id }}"{% endif %}
      data-current-reversed="{{ current_significator_reversed|yesno:'true,false' }}">
 
-        <div class="my-sign-stage">
-            <div class="sig-stage-card" style="display:none">
+        {# data-polarity drives both the populator's qualifier lookup       #}
+        {# (levity_qualifier vs gravity_qualifier) and any polarity-themed   #}
+        {# styling that mirrors the room sig-select's .sig-overlay rules.   #}
+        {# FLIP toggles between levity + gravity. Initial value reflects    #}
+        {# the persisted `significator_reversed` flag — False=levity,       #}
+        {# True=gravity (the binary "one or the other" polarity choice).    #}
+        <div class="sig-stage my-sign-stage sig-stage--frozen"
+             data-polarity="{% if current_significator_reversed %}levity{% else %}gravity{% endif %}">
+            <div class="sig-stage-card">
                 <div class="fan-card-corner fan-card-corner--tl">
                     <span class="fan-corner-rank"></span>
                     <i class="fa-solid stage-suit-icon" style="display:none"></i>
@@ -40,8 +47,15 @@
                     <i class="fa-solid stage-suit-icon" style="display:none"></i>
                 </div>
             </div>
+            {# FLIP — bottom-left of the stage card. Mirrors the game-kit fan #}
+            {# carousel's btn-reveal pattern (game_kit.html#id_fan_flip). Toggles #}
+            {# polarity (data-polarity attr + persisted User.significator_reversed). #}
+            {# SPIN in the stat-block toggles orientation (180° rotation) for #}
+            {# preview only — not persisted.                                  #}
+            <button class="btn btn-reveal my-sign-flip-btn" type="button">FLIP</button>
             <div class="sig-stat-block">
-                <button class="btn btn-reverse spin-btn" type="button">FLIP</button>
+                <button class="btn btn-reverse spin-btn" type="button">SPIN</button>
+                <button class="btn btn-info fyi-btn" type="button">FYI</button>
                 <div class="stat-face stat-face--upright">
                     <p class="stat-face-label">Emanation</p>
                     <ul class="stat-keywords"></ul>
@@ -50,10 +64,11 @@
                     <p class="stat-face-label">Reversal</p>
                     <ul class="stat-keywords"></ul>
                 </div>
+                {% include "apps/gameboard/_partials/_sig_fyi_panel.html" with panel_id="id_my_sign_fyi_panel" %}
             </div>
         </div>
 
-        <div class="my-sign-deck-grid">
+        <div class="sig-deck-grid my-sign-deck-grid">
             {% for card in cards %}
                 <div class="sig-card"
                      data-card-id="{{ card.id }}"
@@ -62,9 +77,19 @@
                      data-name-group="{{ card.name_group }}"
                      data-name-title="{{ card.name_title }}"
                      data-arcana="{{ card.get_arcana_display }}"
+                     data-correspondence="{{ card.correspondence|default:'' }}"
                      data-keywords-upright="{{ card.keywords_upright|join:',' }}"
                      data-keywords-reversed="{{ card.keywords_reversed|join:',' }}"
-                     data-reversal-qualifier="{{ card.reversal_qualifier }}">
+                     data-energies="{{ card.energies_json }}"
+                     data-operations="{{ card.operations_json }}"
+                     data-levity-qualifier="{{ card.levity_qualifier }}"
+                     data-gravity-qualifier="{{ card.gravity_qualifier }}"
+                     data-reversal-qualifier="{{ card.reversal_qualifier }}"
+                     data-levity-emanation="{{ card.levity_emanation }}"
+                     data-gravity-emanation="{{ card.gravity_emanation }}"
+                     data-levity-reversal="{{ card.levity_reversal }}"
+                     data-gravity-reversal="{{ card.gravity_reversal }}"
+                     data-italic-word="{{ card.italic_word }}">
                     <div class="fan-card-corner fan-card-corner--tl">
                         <span class="fan-corner-rank">{{ card.corner_rank }}</span>
                         {% if card.suit_icon %}<i class="fa-solid {{ card.suit_icon }}"></i>{% endif %}
@@ -80,35 +105,151 @@
             <button type="submit" id="id_save_sign_btn" class="btn btn-primary"{% if not current_significator %} disabled{% endif %}>SAVE SIGN</button>
         </form>
 
-        {# Minimal picker JS — click .sig-card to pick + enable SAVE SIGN.   #}
-        {# FLIP-btn integration (reversed toggle) lands w. the stage-card   #}
-        {# preview JS in a Sprint 4a-follow-up; for now we just record     #}
-        {# the chosen card_id + the FLIP state.                            #}
+        {# Picker JS — click .sig-card to pick + populate stage preview via #}
+        {# StageCard.populateCard (shared w. room sig-select + sea-select). #}
+        {# FLIP toggles `.stage-card--reversed` on the preview AND the      #}
+        {# hidden `reversed` input that gets POSTed on SAVE SIGN.           #}
+        <script src="{% static 'apps/epic/stage-card.js' %}"></script>
         <script>
         (function () {
             var grid = document.querySelector('.my-sign-deck-grid');
             if (!grid) return;
+            var stage       = document.querySelector('.my-sign-stage');
+            var stageCard   = stage.querySelector('.sig-stage-card');
+            var statBlock   = stage.querySelector('.sig-stat-block');
             var cardIdInput = document.getElementById('id_save_sign_card_id');
             var saveBtn     = document.getElementById('id_save_sign_btn');
-            var flipBtn     = document.querySelector('.my-sign-stage .spin-btn');
+            var spinBtn     = stage.querySelector('.spin-btn');
+            var flipBtn     = stage.querySelector('.my-sign-flip-btn');
+            var fyiBtn      = stage.querySelector('.fyi-btn');
+            var fyiPanel    = stage.querySelector('.sig-info');
+            var fyiPrev     = stage.querySelector('.fyi-prev');
+            var fyiNext     = stage.querySelector('.fyi-next');
             var revInput    = document.getElementById('id_save_sign_reversed');
-            grid.addEventListener('click', function (e) {
-                var card = e.target.closest('.sig-card');
-                if (!card) return;
+            var _currentCard = null;
+            var _fyiData     = [];
+            var _fyiIdx      = 0;
+
+            // Default polarity = gravity (significator_reversed=False);
+            // FLIP toggles to levity (significator_reversed=True). Mirrors the
+            // user's "gravity-rightside-up by default" design from the Game
+            // Kit fan carousel.
+            function _polarity() {
+                return revInput.value === '1' ? 'levity' : 'gravity';
+            }
+
+            // Horizontal-perspective FLIP animation lifted from
+            // apps/gameboard/static/apps/gameboard/game-kit.js `_flipActive`.
+            // 500ms Y-axis rotation; mid-animation (offset 0.5) the populator
+            // swaps polarity content so the user sees the new face from the
+            // start of the second half-rotation. Preserves the SPIN orientation
+            // (.stage-card--reversed) through the flip by including the spin
+            // rotate(180deg) in both keyframes.
+            function _flipPolarityAnimated() {
+                if (!stageCard || stageCard.dataset.flipping) return;
+                stageCard.dataset.flipping = '1';
+                var spin = stageCard.classList.contains('stage-card--reversed')
+                    ? ' rotate(180deg)' : '';
+                var rest = 'translateX(0px) rotateY(0deg) scale(1)' + spin;
+                var mid  = 'translateX(0px) rotateY(0deg) scale(1)' + spin
+                         + ' rotateY(90deg)';
+                stageCard.animate([
+                    { transform: rest },
+                    { transform: mid, offset: 0.5 },
+                    { transform: rest },
+                ], { duration: 500, easing: 'ease' });
+                // Swap polarity at the edge-on midpoint so the new face shows
+                // through the second half of the rotation.
+                setTimeout(function () {
+                    revInput.value = revInput.value === '1' ? '0' : '1';
+                    stage.setAttribute('data-polarity', _polarity());
+                    if (flipBtn) flipBtn.classList.toggle(
+                        'is-reversed', revInput.value === '1');
+                    if (_currentCard && window.StageCard) {
+                        StageCard.populateCard(stageCard, _currentCard, _polarity());
+                    }
+                }, 250);
+                setTimeout(function () { delete stageCard.dataset.flipping; }, 500);
+            }
+
+            // Orientation toggle (preview-only) — rotates the card 180° + swaps
+            // the stat-block visible face. Not persisted; SAVE SIGN only stores
+            // the card identity + polarity (significator_reversed = polarity bit).
+            function _toggleOrientation() {
+                var on = !stageCard.classList.contains('stage-card--reversed');
+                stageCard.classList.toggle('stage-card--reversed', on);
+                statBlock.classList.toggle('is-reversed', on);
+                if (spinBtn) spinBtn.classList.toggle('is-reversed', on);
+            }
+
+            function _selectCard(cardEl) {
                 grid.querySelectorAll('.sig-card.sig-focused').forEach(function (c) {
                     c.classList.remove('sig-focused');
                 });
-                card.classList.add('sig-focused');
-                cardIdInput.value = card.dataset.cardId;
+                cardEl.classList.add('sig-focused');
+                cardIdInput.value = cardEl.dataset.cardId;
                 saveBtn.removeAttribute('disabled');
+                if (!window.StageCard) return;
+                _currentCard = StageCard.fromDataset(cardEl);
+                StageCard.populateCard(stageCard, _currentCard, _polarity());
+                StageCard.populateKeywords(statBlock,
+                    _currentCard.keywords_upright, _currentCard.keywords_reversed);
+                _fyiData = StageCard.buildInfoData(_currentCard);
+                _fyiIdx = 0;
+                if (fyiPanel) StageCard.renderFyi(fyiPanel, _fyiData, _fyiIdx);
+                statBlock.classList.remove('fyi-open');
+            }
+
+            grid.addEventListener('click', function (e) {
+                var cardEl = e.target.closest('.sig-card');
+                if (cardEl) _selectCard(cardEl);
             });
             if (flipBtn) {
                 flipBtn.addEventListener('click', function () {
-                    var current = revInput.value === '1';
-                    revInput.value = current ? '0' : '1';
-                    flipBtn.classList.toggle('is-reversed', !current);
+                    if (!_currentCard) return;  // need a selected card to flip
+                    _flipPolarityAnimated();
                 });
             }
+            if (spinBtn) {
+                spinBtn.addEventListener('click', function () {
+                    _toggleOrientation();
+                });
+            }
+            if (fyiBtn) {
+                fyiBtn.addEventListener('click', function () {
+                    if (!_currentCard) return;  // no card selected yet
+                    statBlock.classList.toggle('fyi-open');
+                });
+            }
+            if (fyiPanel) {
+                fyiPanel.addEventListener('click', function () {
+                    statBlock.classList.remove('fyi-open');
+                });
+            }
+            if (fyiPrev) {
+                fyiPrev.addEventListener('click', function () {
+                    if (!_fyiData.length) return;
+                    _fyiIdx = (_fyiIdx - 1 + _fyiData.length) % _fyiData.length;
+                    StageCard.renderFyi(fyiPanel, _fyiData, _fyiIdx);
+                });
+            }
+            if (fyiNext) {
+                fyiNext.addEventListener('click', function () {
+                    if (!_fyiData.length) return;
+                    _fyiIdx = (_fyiIdx + 1) % _fyiData.length;
+                    StageCard.renderFyi(fyiPanel, _fyiData, _fyiIdx);
+                });
+            }
+
+            // On-load: if user has a saved sig, pre-select its grid card so
+            // the stage shows the persisted choice rather than an empty frame.
+            // `data-current-card-id` is set on .my-sign-page when significator is set.
+            var pageEl = document.querySelector('.my-sign-page');
+            var savedId = pageEl && pageEl.dataset.currentCardId;
+            if (savedId) {
+                var savedCardEl = grid.querySelector('.sig-card[data-card-id="' + savedId + '"]');
+                if (savedCardEl) _selectCard(savedCardEl);
+            }
         }());
         </script>