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

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

data/Sword & Shield/Chilling Reign/115.ts

@@ -76,6 +76,12 @@ const card: Card = {
 		reverse: true,
 		holo: true,
 		firstEdition: false
+	},
+
+	stage: "Basic",
+
+	description: {
+		en: "They live in groups. The one with the longest, thickest, and most-scarred horns is the boss of the herd."
 	}
 }