Last Hope of Nephthys [HISU-EN010] Super Rare Null when an opponent's monster activates

when an opponent's monster activates its effect (Quick Effect): You can target 1 Effect Monster your opponent controls or in their GY

If your "Amazoness" monster attacked an opponent's monster

also you take no battle damage

The first time each Tribute Summoned "True Draco" or "True King" monster would be destroyed by battle each turn

select 1 monster your opponent controls

Last Hope of Nephthys [HISU-EN010] Super Rare Null when an opponent's monster activatesSet: Hidden Summoners Card type: Normal Spell Rarity: Super Rare Target 1 other "Nephthys" card you control and 1 card your opponent controls; destroy them. You can only activate 1 "Last Hope of Nephthys" per turn.