Armory Arm [TU06-EN010] Rare Field Spell Card When an opponent's monster declares

When an opponent's monster declares an attack: You can Tribute this card

While you control "Queen's Knight": You can Special Summon 1 "Jack's Knight" from your Deck

you can discard 1 card to destroy 1 monster on the field

If you do n

Set: Sun & Moon: Hidden Fates - Shiny Vault Type: Grass Rarity: Secret Rare Retreat cost: Colorless

Armory Arm [TU06-EN010] Rare Field Spell Card When an opponent's monster declaresSet: Turbo Pack: Booster Six Card type: Synchro Effect Rarity: Rare Attack: 1800 Defense: 1200 1 Tuner + 1 or more non Tuner monsters Once per turn, you can either: Target 1 monster on the field; equip this card to that target, OR: Unequip this card and Special Summon it in face up Attack Position. While equipped by this effect, that target gains 1000 ATK. When that target destroys a monster by battle and sends it to the Graveyard: Inflict damage to