Athenia, Sealed God of the Ruins (SNV-083) [The Strangers of New Valhalla]

[Enter] -> Your opponent banishes a resonator. If they don't, they banish a magic stone. When this card is put into a graveyard from the field -> Your opponent banishes a non-J-ruler entity. Rest: Resonators your opponent controls gain [-200/-200] until end of turn. If there are four or more runes revealed from your rune area, resonators your opponent controls gain [-400/-400].