Aqua / Fusion / Effect

1 "Gem-Knight" monster + 1 Aqua-Type monster

Must first be Fusion Summoned. When this card is sent from the field to the Graveyard: Return all Set Spell and Trap Cards on the field to the hand.

Aqua / Fusion / Effect

"Gem-Knight Sapphire" + 1 "Gem-Knight" monster

Must first be Fusion Summoned with the above Fusion Material Monsters. If this card attacks, it is changed to Defense Position at the end of the Battle Phase. When this card is sent from the field to the Graveyard: Target 1 card your opponent controls; return that target to the hand.

Pyro / Fusion / Effect

1 "Gem-Knight" monster + 1 Pyro-Type monster

Must first be Fusion Summoned. If this card attacks or is attacked, your opponent cannot activate cards or effects until the end of the Damage Step.

Rock

A Gem-Knight officer of high rank, who has optimized the use of the crystal powers. Despite his ability to overwhelm most opponents, he's wary of stretching himself too thin, and opts for solidarity with his comrades.

Rock / Effect

You can banish this face-up card you control and 1 face-up Normal Monster you control to target 1 "Gem-Knight" Fusion Monster in your Graveyard; Special Summon it from the Graveyard.

Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, using monsters from your hand or your side of the field as Fusion Materials. If this card is in your Graveyard: You can banish 1 "Gem-Knight" monster from your Graveyard; add this card to your hand.

Pyro / Normal

The Gem-Knight Warrior who carries the Garnet Soul. His Flaming Iron Fist crushes all enemies.

Aqua / Gemini

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect.

● Once per turn: You can banish 1 "Gem-" monster from your Graveyard to target 1 "Gem-Knight" card in your Graveyard; add that target to your hand.

Rock / Fusion / Effect

3 "Gem-Knight" monsters

Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Brilliant Diamond(s)" once per turn. Once per turn: You can send 1 face-up "Gem-Knight" monster you control to the Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.

Rock / Fusion / Effect

"Gem-Knight Lapis" + 1 "Gem-Knight" monster

Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Lapis Lazuli(s)" once per turn. Once per turn: You can send 1 "Gem-Knight" monster from your Main Deck or Extra Deck to the Graveyard, and if you do, inflict 500 damage to your opponent for each Special Summoned monster on the field.

Fairy / Fusion / Effect

1 "Gem-Knight" monster + 1 Fairy monster

Once per opponent's turn, the first time a "Gem-Knight" monster(s) you control would be destroyed by card effect, it is not destroyed. During your turn, when your opponent activates a monster effect (Quick Effect): You can banish 1 "Gem-Knight" card from your GY, then target 1 face-up card your opponent controls; destroy it.

Rock

The best of friends with Lazuli, this soldier deeply cares about the well-being of her friends.

Rock / Effect

If this card is sent to the Graveyard by a card effect: You can target 1 Normal Monster in your Graveyard; add that target to your hand.

Rock / Fusion / Effect

3 "Gem-Knight" monsters

Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.

Rock / Effect

If this card is sent from the hand to your Graveyard: You can target 1 Level 4 or lower Normal Monster in your Graveyard; Special Summon that target.

Rock / Xyz

2 Level 4 monsters

Rock / Link / Effect

2 "Gem-" monsters

If this card is Link Summoned: You can add 1 "Gem-Knight" card from your Deck to your hand. You can pay 1000 LP; Fusion Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, by shuffling Fusion Materials in your possession listed on it into your Deck, that are banished or in the GY, but it cannot attack directly this turn. You can only use each effect of "Gem-Knight Phantom Quartz" once per turn.

Thunder / Fusion / Effect

1 "Gem-Knight" monster + 1 Thunder-Type monster

Must first be Fusion Summoned. Once per turn: You can send 1 "Gem-Knight" card from your hand to the Graveyard to target 1 face-up card on the field; destroy that target.

Fairy / Effect

If your opponent controls a monster: You can discard this card; Set 1 "Fusion" Continuous Spell directly from your Deck, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except "Gem-Knight" monsters. If this card is used as material for a Fusion Summon, and sent to the GY or banished: You can add 1 "Gem-Knight" monster from your GY to your hand, except "Gem-Knight Quartz". You can only use each effect of "Gem-Knight Quartz" once per turn.

Pyro / Fusion / Effect

"Gem-Knight Garnet" + 1 "Gem-Knight" monster

Must first be Fusion Summoned with the above Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem-" monster; this card gains ATK equal to the Tributed monster's ATK on the field, until the End Phase. If this card attacks a Defense Position monster, inflict piercing Battle Damage to your opponent.

Aqua

His Sapphire power commands the waters to protect him from attack. His comrades trust in his silent protection.

Pyro / Gemini

This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect.

● When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can add 1 "Gem-Knight" card from your Deck to your hand.

Fairy / Fusion / Effect

1 "Gem-Knight" monster + 1 LIGHT monster

Must first be Fusion Summoned with the above Fusion Materials. During your Main Phase, you can Normal Summon/Set 1 monster in addition to your Normal Summon/Set. (You can only gain this effect once per turn.)

Thunder / Fusion / Effect

"Gem-Knight Tourmaline" + 1 "Gem-Knight" monster

Must first be Fusion Summoned with the above Fusion Material Monsters. This card can attack twice during each Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.

Thunder

He channels mystic energies and changes them into fighting strength through the power of Tourmaline. Many admire his way of life.