Gem-Knight Aquamarine [HA05-EN020] Secret Rare Cyberdark Impact apply half the ATK of

apply half the ATK of this card for damage calculation

Set: Duelist League Promo Card type: Quick Play Spell Rarity: Rare Destroy 1 Spell or Trap Card on the field

Set: McDonald's Promos: 2019 Collection Type: Colorless Rarity: Promo Retreat cost: Colorless

Set: EX: Delta Species Rarity: Rare

Set: Legendary Collection Type: Psychic Rarity: Uncommon

Gem-Knight Aquamarine [HA05-EN020] Secret Rare Cyberdark Impact apply half the ATK ofSet: Hidden Arsenal 5: Steelswarm Invasion Card type: Fusion Effect Monster Rarity: Secret Rare Attack: 1400 Defense: 2600 "Gem Knight Sapphire" + 1 "Gem Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return it to the hand.