Kaiser Sea Horse
Sea Serpent / Effect
LIGHT / 
4This card can be treated as 2 Tributes for the Tribute Summon of a LIGHT monster.
1700/1650
CARD ID: 17444133
STATUS TCG: Unlimited
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| TCG Set | Symbol | Rarity | Low | Avg | Trend | |
|---|---|---|---|---|---|---|
| Dark Beginning 2 | DB2-EN115 | Common | -,--€ | -,--€ | -,--€ | |
| Duelist Pack: Kaiba | DPKB-EN017 | Rare | -,--€ | -,--€ | -,--€ | |
| Retro Pack 2 | RP02-EN087 | Rare | -,--€ | -,--€ | -,--€ | |
| Rise of the Dragon Lords Structure Deck | SDRL-EN008 | Common | -,--€ | -,--€ | -,--€ | |
| Saga of Blue-Eyes White Dragon Structure Deck | SDBE-EN016 | Common | -,--€ | -,--€ | -,--€ | |
| Starter Deck: Kaiba Evolution | SKE-015 | Ultra Rare | -,--€ | -,--€ | -,--€ | |
| Starter Deck: Kaiba Reloaded | YSKR-EN016 | Common | -,--€ | -,--€ | -,--€ |
In myths, a seahorse turns in to a dragon after a hundred years. This is reflected in Kaiser Sea Horse being one of Kaiba's many methods to bring out a Blue-Eyes White Dragon.
Kaiser means emperor in German.
This card has a visual counterpart, Sea Serpent Warrior of Darkness.
This card appears in the artwork of Convert Contact.
In the OCG/TCG, this card is the first Sea Serpent-Type monster to be an Effect Monster.
It is also the first Sea Serpent monster to not be WATER Attribute.
It is also the first Double Tributer monster.
This card shares the same Level, ATK, and DEF with Double Coston, another Double Tributer. Similar to the relationship between Whirlwind Prodigy and Unshaven Angler, this card can be seen as a LIGHT counterpart to Double Coston.
Kaiser means emperor in German.
This card has a visual counterpart, Sea Serpent Warrior of Darkness.
This card appears in the artwork of Convert Contact.
In the OCG/TCG, this card is the first Sea Serpent-Type monster to be an Effect Monster.
It is also the first Sea Serpent monster to not be WATER Attribute.
It is also the first Double Tributer monster.
This card shares the same Level, ATK, and DEF with Double Coston, another Double Tributer. Similar to the relationship between Whirlwind Prodigy and Unshaven Angler, this card can be seen as a LIGHT counterpart to Double Coston.
OCG Rulings
You decide to use the effect while "Kaiser Sea Horse" is on the field, before Tributing it.: Kaiser Sea Horse
Galaxy-Eyes Photon Dragon: This card is a Normal Summon monster. You can Tribute two monsters to Tribute Summon or Set it from your hand. You can Tribute "Kaiser Sea Horse: Can you Advance Summon "Galaxy-Eyes Photon Dragon" from your hand?
Skill Drain: While "Skill Drain" is active you cannot Tribute a face-up "Kaiser Sea Horse" to Tribute Summon a Level 7 or higher LIGHT monster. However, you can Tribute a face-down "Kaiser Sea Horse".
Majestic Mech - Goryu: If you Tribute "Kaiser Sea Horse" to Normal Summon "Majestic Mech - Goryu" it is still only 1 monster being Tributed so its effect will activate during the End Phase and it will be sent to the Graveyard.The latest errata of "Majestic Mech - Goryu" specifies that its effect to send itself to the Graveyard during the End Phase will only activate if it was Tribute Summoned with 1 Tribute due to its own effect.