diff --git a/sevenkeys/database/migrations/00008_create_cardtrader_tables.sql b/sevenkeys/database/migrations/00008_create_cardtrader_tables.sql
index 5e9b674..aa479de 100644
--- a/sevenkeys/database/migrations/00008_create_cardtrader_tables.sql
+++ b/sevenkeys/database/migrations/00008_create_cardtrader_tables.sql
@@ -8,8 +8,7 @@ CREATE TABLE IF NOT EXISTS CardtraderExpansion (
 
 CREATE TABLE IF NOT EXISTS CardtraderBlueprint (
 	Id INT PRIMARY KEY AUTO_INCREMENT,
-	ScryfallCardId VARCHAR(36) NOT NULL,
-	FOREIGN KEY (ScryfallCardId) REFERENCES ScryfallCard(Id),
+	ScryfallCardId VARCHAR(100) NULL,
 	CardtraderCategoryId INT NOT NULL,
 	CardtraderExpansionId INT NOT NULL,
 	FOREIGN KEY (CardtraderExpansionId) REFERENCES CardtraderExpansion(Id),