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Rainbow Overdragon
LIGHT · Dragon / Fusion Effect Monster · Level 12 · ATK 4000 / DEF 0
7 "Crystal Beast" monsters
(This card is always treated as an "Ultimate Crystal" card.)
Must be either Fusion Summoned, or Special Summoned by Tributing 1 Level 10 "Ultimate Crystal" monster (in which case you do not use "Polymerization"). Once per turn: You can banish 1 "Crystal Beast" monster from your GY; this card gains ATK equal to the banished monster's, until the end of this turn. (Quick Effect): You can Tribute this Fusion Summoned card; shuffle all cards on the field into the Deck.
Is it legal?
TCGUnlimited (3)
OCGUnlimited (3)
Master DuelUnlimited (3)
Rarity: Ultra Rare (UR)
Genesys0 points
Price
About $0.12–$4.81 across printings and stores (as of Oct 8, 2026). See listings on TCGplayer · eBay · Cardmarket (EU)
Printings
| Set | Code | Rarity |
|---|---|---|
| Legendary Duelists: Season 1 | LDS1-EN101 | Ultra Rare |
| Legendary Duelists: Ancient Millennium | LED2-EN037 | Super Rare |
| Structure Deck: Legend of the Crystal Beasts | SDCB-EN043 | Super Rare |
| Speed Duel GX: Duel Academy Box | SGX1-ENF21 | Common |
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