1. Adds more identity to Northern Realm.
2. Trigger to Resupply.
3. Base on the current Warfare cards, they are designed to further support archetypes. For example: Recruitment offers flexibility and utility, Bloody Flail offers high removal for swarm decks, and Bombardment offers additional pings to seige engine decks. Maybe in the future, we will also see a mage and shield support warfare card.