Azathoth, Hunter of Reality (CFC-071) [Curse of the Frozen Casket]

[Limit 6] (This card enters your field with six limit counters on it. Whenever this card attacks or blocks -> Remove a limit counter from it. If this card would be destroyed, you may remove a limit counter from it instead. If you do, remove all damage from it. Whenever this card attacks or blocks -> Destroy target J/resonator. At end of turn -> If there are no limit counters on this card, destroy it. If you do, this card deals 2000 damage to you.