War Rock Dignity

[Spell Card

]

You must control a "War Rock" monster to activate either of these effects.
●When a monster your opponent controls activates its effect: Negate that effect.
●During the Battle Phase, when your opponent activates a Spell/Trap Card, or monster effect: Negate that effect.
You can only activate 1 "War Rock Dignity" per turn.

LIGHTNING OVERDRIVE