Whenever Progenitor attacks a unit with 1 or more corruption counters on it, do 1 damage to Progenitor.
Whenever Progenitor attacks a unit with 1 or more redemption counters on it, you may remove 1 damage counter from Progenitor.
As long as there is an Aquatic Location in any arena, Progenitor gets Accuracy 1, Critical Hit 1, and Damage Control 1.