In the campaign's Chapter 1, you (The Forgotten Hero) are pitted against him by Reive, Blademaster, and later escape with him. After encountering Dominion guards in Chapter 5, it is revealed Tyr is a Blade, one of the Emperor's agents being hunted down by the Empire. When your group is attacked by Lord Naarifin in the White-Gold Tower, you must choose between saving Tyr or taking the Orb of Vaermina.
During the campaign, one must chose between Tyr and the Orb of Vaermina. He can also be soul summoned for 1,200 Soul gems.
If you find yourself in a situation where you face enemies with high defenses but low attack powers, Tyr is a good choice given that his Guard attribute and high attack power will force the enemy cards to attack and fall if they possess no means to destroy Tyr otherwise.
Tyr's Breakthrough attribute can also be used against an enemy with a low defense, and the excess attack power will be dealt to your opponent.
If Tyr is drawn through a rune being destroyed, he can be played for free as he is a Prophecy. This is suggested as his guard will delay the enemy's attacks and allow you to gain an advantage.
- Tyr's card art originally used a still from Chapter 1, though this was later changed to the current version.
- Tyr is likely based on Týr, the Germanic god of law and heroic glory. Tyr is a blade, an arm of the Empire's law, and is considered a hero of the Great War. Týr is depicted with one hand, and Tyr uses one-handed weapons.
- Given that many of the Blades were hunted down and killed during the Great War, Tyr's survival into 4E 175 makes him one of the last remaining members of the organization.