Card Text:
Action [Exhaust]: Attack with a unit that costs 3 or less. If it's attacking a unit, it gets +1/+0 for this attack.
Epic Action: If you control 5 or more resources, deploy this leader. (Flip him, ready him, and move him to the ground arena.)
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Overwhelm (When attacking an enemy unit, deal excess damage to the opponent's base.)
Each friendly unit that costs 3 or less gets +1/+0 and gains Overwhelm while attacking an enemy unit.