Signer Dragon, Yu-Gi-Oh! Wiki

The Signer Dragons are a series of Level 7 and 8 Dragon Synchro Monsters introduced in Yu-Gi-Oh! 5D's. These legendary dragons play a part in the legend of the Crimson Dragon, as well as being connected to the Signers themselves. That connection being that these legendary beasts, who actually joined forces with the Crimson Dragon, were the ones who sealed an evil within the Nazca Lines. That very same evil, now known as the "Earthbound Immortals", reappeared once again in the world as Duel Monst

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