Fixed cards rarities and added cards description and stage (#62)

Signed-off-by: Avior <florian.bouillon@delta-wings.net>

data/Sword & Shield/Darkness Ablaze/49.ts

@@ -86,6 +86,12 @@ const card: Card = {
 		reverse: true,
 		holo: false,
 		firstEdition: false
+	},
+
+	stage: "Stage1",
+
+	description: {
+		en: "It swims through frigid seas, searching for prey. From its frozen breath, it forms icy fangs that are harder than steel."
 	}
 }