- tcgrate
- Games
- Yu-Gi-Oh!
- Sets
- Battles of Legend: Monster Mayhem
- Gem-Knight Hollowcore
Yu-Gi-Oh! · Battles of Legend: Monster Mayhem · #BLMM-EN022 · Secret Rare
Gem-Knight Hollowcore
Yu-Gi-Oh! card price for Gem-Knight Hollowcore: $0.22 market, from $0.10 at the cheapest listing, 1st Edition printing, updated Oct 19, 2026. Full price history since Jun 7, 2025 below.
Sellers right now
Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.
Where to buy
One year
Price story
Gem-Knight Hollowcore was released in June 2025. Launch-week prices are left out here: before supply arrives they are mostly guesses. Across the past year it went −21.4%, with a low of $0.16 and a high of $0.52; today it sits near the bottom of that range. The cheapest listing right now is $0.10, and the 30-day average market price is $0.29.
Printings
The card in play
- Card type
- Effect Monster
- Attribute
- DARK
- Monster type
- Fiend
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.
