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

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

data/Sword & Shield/Battle Styles/89.ts

@@ -66,6 +66,12 @@ const card: Card = {
 		reverse: true,
 		holo: false,
 		firstEdition: false
+	},
+
+	stage: "Basic",
+
+	description: {
+		en: "Their skin is so thin that they’ll be burned if sunlight hits them. When it gets cold out, they gather together to warm one another’s bodies."
 	}
 }