The effect itself is unparalleled and it is a mass of ads, but Beatrice's name does not have "Malebranche of the Burning Abyss", so it is a little difficult to use with his Malebranche of the Burning Abyss Deck
While I dont think Vivi is on the level of anything currently on the banlist, it does feel like a card that could be central to a future broken deck, especially if Mox Opal becomes part of the equation again
So, I store what I do have in a deck-in-progress section, near my Commander staples and tokens
Blue-Eyes Spirit Ultimate Dragon Level 12 LIGHT Dragon / Synchro / Effect 2+ Tuners + 1 non-Tuner "Blue-Eyes" monster You can only use each of the [2] [3] effects of this card once per turn
The exterior variations - descending from the most likely to contain Shadowless cards to the least likely: Charizard Wrapper Logos Country of Origin Office Contact Information Green wing No logo Made in U.S.A
If you look at the records of the players who make it there, it's rare to find one who didn't have a great record in the Limited rounds