As with the classic Dark Magician, classic Blue-Eyes White Dragon was also one of the six Prismatic Secret Rares given out with the Dark Duel Stories game
However, since this card can also be used as a Negate, it shouldn't be bad
Whether youre just starting out in the format or have been playing since the early days, investing (both financially and gameplay-wise) in artifacts that tap for mana thus accelerating your mana production are pretty much de rigeur for Commander pods
Plus, most people are going to run Mana Crypt anyway because its a zero mana Artifact that taps for two colorless mana, you really dont need a coin flip theme to make this one of the best coin flip cards in MTG
Perhaps make it once per turn, you can discard 1 card to Special Summon 1 "Red-Eyes" monster from your Graveyard, ignoring its Summoning Conditions, but the Summoned monster has its effects negated and ATK/DEF reduced to 0