YGOPrices · Battles of Legend: Monster Mayhem · Gem-Knight Hollowcore · BLMM-EN022
Gem-Knight Hollowcore
DarkEffectFiend·Secret RareUnlimited / Unspecifiednonfoil·Unlimited
ArchetypeGem-
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.
Retail - this exact printing
Live marketplace listings tied to ygo:print:ygo_blmm_en022:normal:en. Currency shown as-is.
Price history
Daily snapshots of retail plus any printing-scoped graded prices for this exact printing. Currency is never converted; each series preserves its source currency.
Retail + printing-scoped graded
Only retail history has printing-scoped observations for this printing.
Graded - this exact printing
PSA / BGS / CGC / SGC / market-aggregate quotes provided specifically for this printing / edition / language. Raw observations are shown separately below.
Graded market · card family · edition / variant unspecified
Graded history · card family
Card-scoped attribution - not tied to this exact printing.
Other printings of Gem-Knight Hollowcore (1)
| Set | Card # | Rarity | Edition | Finish / lang | USD | EUR |
|---|---|---|---|---|---|---|
| Battles of Legend: Monster Mayhem2025 | BLMM-EN022 | Secret Rare | 1st Edition | EN | $0.35 | €0.35 |
| Battles of Legend: Monster Mayhem2025 | BLMM-EN022 | Secret Rare | Unlimited / Unspecified | nonfoil · EN | - | €0.35 |
$0.35€0.35- Battles of Legend: Monster Mayhem-€0.35