Blazer Gill Rabus (ABC-RD-002 JR) [Arcana Battle Colosseum]

[J-ACT] 0: Play this ability only if your opponent controls a J-ruler. Magic stones you control gain "T: Produce R.". (J-ruler Side) When this card enters your field, target J-ruler your opponent controls loses all abilities until end of turn. When this card enters your field, destroy target J-ruler your opponent controls. Magic stones you control gain "T: Produce R." This card gains [+400/+400] as long as you don't control a resonator.