diff --git a/routes/collection.py b/routes/collection.py
new file mode 100644
index 0000000..2a28c8f
--- /dev/null
+++ b/routes/collection.py
@@ -0,0 +1,153 @@
+"""
+routes/collection.py
+====================
+Collection management endpoints:
+  GET    /api/collection
+  GET    /api/collection/export
+  GET    /api/collection/sets
+  GET    /api/collection/keywords
+  POST   /api/collection/import
+  GET    /api/collection/{cardId}
+  PATCH  /api/collection/{cardId}
+  GET    /api/cache/scryfall
+  DELETE /api/cache/scryfall
+  POST   /api/cache/scryfall/evict
+"""
+
+from __future__ import annotations
+
+from typing import Optional
+
+from fastapi import APIRouter, HTTPException
+from fastapi.responses import StreamingResponse
+
+from routes.shared import get as _get
+
+router = APIRouter(tags=["collection"])
+
+
+# ---------------------------------------------------------------------------
+# Collection list / search
+# ---------------------------------------------------------------------------
+
+@router.get("/api/collection")
+async def list_collection(
+    page: int = 1,
+    pageSize: int = 50,
+    q: Optional[str] = None,
+    sortField: Optional[str] = None,
+    sortDir: Optional[str] = None,
+    colors: Optional[str] = None,
+    types: Optional[str] = None,
+    isLegendary: Optional[bool] = None,
+    isBasic: Optional[bool] = None,
+    isGameChanger: Optional[bool] = None,
+    highSalt: Optional[bool] = None,
+    finish: Optional[str] = None,
+    cmcMin: Optional[float] = None,
+    cmcMax: Optional[float] = None,
+    priceMin: Optional[float] = None,
+    priceMax: Optional[float] = None,
+    category: Optional[str] = None,
+    deck_id: Optional[int] = None,
+    rarity: Optional[str] = None,
+    setCode: Optional[str] = None,
+    powerMin: Optional[str] = None,
+    powerMax: Optional[str] = None,
+    toughMin: Optional[str] = None,
+    toughMax: Optional[str] = None,
+    keyword: Optional[str] = None,
+    edhrecMin: Optional[int] = None,
+    edhrecMax: Optional[int] = None,
+    qtyMin: Optional[int] = None,
+    qtyMax: Optional[int] = None,
+):
+    fn = _get("list_collection")
+    return await fn(
+        page=page, pageSize=pageSize, q=q, sortField=sortField, sortDir=sortDir,
+        colors=colors, types=types, isLegendary=isLegendary, isBasic=isBasic,
+        isGameChanger=isGameChanger, highSalt=highSalt, finish=finish,
+        cmcMin=cmcMin, cmcMax=cmcMax, priceMin=priceMin, priceMax=priceMax,
+        category=category, deck_id=deck_id, rarity=rarity, setCode=setCode,
+        powerMin=powerMin, powerMax=powerMax, toughMin=toughMin, toughMax=toughMax,
+        keyword=keyword, edhrecMin=edhrecMin, edhrecMax=edhrecMax,
+        qtyMin=qtyMin, qtyMax=qtyMax,
+    )
+
+
+@router.get("/api/collection/export")
+async def export_collection(
+    format: str = "INTERNAL_CSV",
+    q: Optional[str] = None,
+    colors: Optional[str] = None,
+    types: Optional[str] = None,
+    isLegendary: Optional[bool] = None,
+    isBasic: Optional[bool] = None,
+    isGameChanger: Optional[bool] = None,
+    highSalt: Optional[bool] = None,
+    finish: Optional[str] = None,
+    cmcMin: Optional[float] = None,
+    cmcMax: Optional[float] = None,
+    priceMin: Optional[float] = None,
+    priceMax: Optional[float] = None,
+    category: Optional[str] = None,
+):
+    fn = _get("export_collection")
+    return await fn(
+        format=format, q=q, colors=colors, types=types,
+        isLegendary=isLegendary, isBasic=isBasic, isGameChanger=isGameChanger,
+        highSalt=highSalt, finish=finish, cmcMin=cmcMin, cmcMax=cmcMax,
+        priceMin=priceMin, priceMax=priceMax, category=category,
+    )
+
+
+@router.get("/api/collection/sets")
+async def collection_sets():
+    fn = _get("collection_sets")
+    return await fn()
+
+
+@router.get("/api/collection/keywords")
+async def collection_keywords():
+    fn = _get("collection_keywords")
+    return await fn()
+
+
+@router.post("/api/collection/import")
+async def import_collection(body: dict):
+    fn = _get("import_collection")
+    return await fn(body)
+
+
+@router.get("/api/collection/{cardId}")
+async def get_collection_card(cardId: int):
+    fn = _get("get_collection_card")
+    return await fn(cardId)
+
+
+@router.patch("/api/collection/{cardId}")
+async def update_collection_card(cardId: int, body: dict):
+    fn = _get("update_collection_card")
+    return await fn(cardId, body)
+
+
+# ---------------------------------------------------------------------------
+# Scryfall cache management
+# ---------------------------------------------------------------------------
+
+@router.get("/api/cache/scryfall")
+async def scryfall_cache_stats():
+    fn = _get("scryfall_cache_stats")
+    return await fn()
+
+
+@router.delete("/api/cache/scryfall")
+async def scryfall_cache_clear():
+    fn = _get("scryfall_cache_clear")
+    return await fn()
+
+
+@router.post("/api/cache/scryfall/evict")
+async def scryfall_cache_evict_expired():
+    fn = _get("scryfall_cache_evict_expired")
+    return await fn()