Gem-Knight Hollowcore
Market price · TCGPlayer
Updated Sep 14, 2026
$0.28
Type
Fiend
Level
7
ATK
1950
DEF
2450
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.
Appears in 1 expansion
Printings (1)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Battles of Legend: Monster Mayhem | BLMM-EN022 | Secret Rare | $0.28 |
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