BLMM-EN022 – Gem-Knight Hollowcore – Secret Rare – 1st Edition

You can send 1 ‘Gem-Knight’ Normal Monster or ‘Gem-Knight Fusion’ from your Deck to the GY; Special Summon this card from your hand in Defense Position. When your opponent activates a card or effect and you control a ‘Gem-Knight’ Fusion Monster (Quick Effect): You can banish 3 ‘Gem-Knight’ cards from your GY, including this card; negate that effect, then all ‘Gem-Knight’ monsters you currently control gain 1000 ATK. You can only use each effect of ‘Gem-Knight Hollowcore’ once per turn.