Rainbow Dragon itself stands as among the most beautiful and elegant looking Yu-Gi-Oh
The only reason I expect this card hasnt done as well as it could is because of one of the top contenders later on this list
They are known for having some of the most competitive pre-order prices in the industry, often beating the official Pokemon Center MSRP
Non-payment or failure to collect 21.1 If the Purchase Price in respect of a Lot is not paid for in full in accordance with clause 18, the Company may, after a period of two weeks (during which time the Company will attempt to contact to the Buyer), and in its absolute discretion and without prejudice to any other rights or remedies it may have, exercise one or more of the following remedies: (a) re-sell the Lot without reserve by auction, private treaty or any other means provided that 2 days prior notice is given to the Buyer who agrees not to challenge the resale price achieved in respect of the Lot
It's significantly more likely to brick or create an underwhelming board, and it has close to no recoverability, often conceding to a resolved Tribe-Infecting Virus
You're playing a 40-card HERO deck