The '''Ancient Treasures ''' are a special [[series|set of cards]] used by [[Tenzen Yanagi]] in ''[[Yu-Gi-Oh! 5D's]]''. According to the anime, it is possible that they are [[Illegal|illegal]], but currently that is not a problem. This set focuses on [[monster]]s with 0 [[ATK]] and 0 [[DEF]] to do its bidding, and nearly all of those cards have a negative [[effect]] ([[pay]]ing [[Life Points]], [[discard]]ing, etc.). These cards work well with "[[Curse Reflection Doll]]" and "[[Triangle O]]" to deflect the negative effects, however.
==Trivia==
* This series are related to the "[[OOPArt]]" archetype, like "[[Crystal Skull]]" and "[[OOPArts Crystal Skull]]".
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