When you play an upgrade: You may exhaust this leader. If you do, exhaust an enemy unit with 4 or less remaining HP. Epic Action: If you control 6 or more resources, deploy this leader. (Flip him, ready him, and move him to the ground arena.)
[Deployed Leader Unit]
When you play an upgrade: You may exhaust an enemy unit with 6 or less remaining HP

When you play an upgrade: You may exhaust this leader. If you do, exhaust an enemy unit with 4 or less remaining HP.