fixed issue #3

Scripts/Resources/card.gd

@@ -7,6 +7,13 @@ enum Faction {
 	MAGE = 2,
 }
 
+static func get_faction_cards(faction: Card.Faction) -> Array[Card]:
+	var valid_cards: Array[Card] = []
+	for card: Card in Data.cards:
+		if card.faction == faction:
+			valid_cards.append(card)
+	return valid_cards
+
 @export var cost: int
 @export var rarity: Data.Rarity
 @export var faction: Faction