Dragon Master Knight
Dragon / Fusion / Effect
LIGHT / 
12"Black Luster Soldier" + "Blue-Eyes Ultimate Dragon"
Must be Fusion Summoned. This card gains 500 ATK for each Dragon monster you control, except this card.
5000/5000
CARD ID: 62873545
STATUS TCG: Unlimited
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| TCG Set | Symbol | Rarity | Low | Avg | Trend | |
|---|---|---|---|---|---|---|
| Duelist Pack: Kaiba | DPKB-EN027 | Ultra Rare | -,--€ | -,--€ | -,--€ | |
| Duelist Pack: Rivals of the Pharaoh | DPRP-EN012 | Rare | -,--€ | -,--€ | -,--€ | |
| Legendary Collection 3: Yugi's World Mega Pack | LCYW-EN050 | Super Rare | -,--€ | -,--€ | -,--€ | |
| Legendary Collection Kaiba Mega Pack | LCKC-EN065 | Secret Rare | -,--€ | -,--€ | -,--€ | |
| Retro Pack 2 | RP02-EN097 | Secret Rare | -,--€ | -,--€ | -,--€ | |
| Ultimate Edition 2 | UE02-EN001 | Ultra Rare | -,--€ | -,--€ | -,--€ |
This monster and Five-Headed Dragon are respectively based on Bahamut and Tiamat (the gods of good and evil dragons respectively) from Dungeons and Dragons.
This monster has the highest DEF among LIGHT monsters.
In certain episodes of the series, as well as in a few of the video games (such as Yu-Gi-Oh! GX Duel Academy), this card is called Master of Dragon Soldier.
This card represents the ultimate bond between Yami Yugi and Seto Kaiba.
The maximum amount of ATK this card can gain with its own effect is 3,000 (if both Extra Monster Zones are used via Extra Linking) with the introduction of Master Rule 4.
This monster appears In the artwork of Strength in Unity.
This monster has the highest DEF among LIGHT monsters.
In certain episodes of the series, as well as in a few of the video games (such as Yu-Gi-Oh! GX Duel Academy), this card is called Master of Dragon Soldier.
This card represents the ultimate bond between Yami Yugi and Seto Kaiba.
The maximum amount of ATK this card can gain with its own effect is 3,000 (if both Extra Monster Zones are used via Extra Linking) with the introduction of Master Rule 4.
This monster appears In the artwork of Strength in Unity.
Previously Official Rulings
Example: You cannot select "Dragon Master Knight" because you cannot Special Summon "Black Luster Soldier" or "Blue-Eyes Ultimate Dragon" from your hand.