Gem-Knight Hollowcore
Effect Monster
You can send 1 "Gem-Knight" Normal Monster or 1 "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, while 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.
About the card
Gem-Knight Hollowcore is a DARK Fiend Effect Monster, Level 7, with 1950 ATK and 2450 DEF.
It belongs to the Gem- archetype.
It is unrestricted on the TCG Forbidden & Limited List: a deck can run up to 3 copies.
It came out in the TCG in 2025 and has been printed in 1 set (Battles of Legend: Monster Mayhem).
Sets it was printed in
- Battles of Legend: Monster Mayhem 2025ScR Secret Rare
More Gem- cards
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Gem-Knight Seraphinite
Gem-Knight Garnet
Gem-Knight Nepyrim
Gem-Knight Pearl
Gem-Armadillo
Gem-Knight Fusion
Gem-Knight Master Diamond
Gem-Knight Phantom Quartz
Gem-Knight Quartz
Gem-Knight Lady Brilliant Diamond
Gem-Knight Lazuli
Card data and images provided by YGOPRODeck.