Yog-Sothoth, the Chaos of 1000 Doors
(J-ruler)
[Limit] X+1 (This card enters your field with X plus one limit counts on it. Whenever this card attacks or blocks -> Remove a limit counter from it.
At the end of turn -> Destroy all resonators with total cost equal to the number of limit counters on this card. Then remove a limit counter from this card.
At the beginning of turn -> If there are no limit counters on this card, put it into your ruler area, as a ruler. If you do, you lose 500 life.