magic the gathering final fantasy collector booster box Amazon.com: Magic: Release Date Magic the Gathering Final Fantasy

In a worst-case scenario, it could be used as a Link Material for something else if the OTK fails

Dark Beckoning Beast X DARK Level 2 [ FiendEffect ] ATK 0 DEF 0 When this card is Normal Summoned: You can add 1 "Uria, Lord of Searing Flames", "Hamon, Lord of Striking Thunder", or "Raviel, Lord of Phantasms", OR 1 card that mentions any of those cards, from your Deck to your hand, except "Dark Beckoning Beast"

Special Summon 1 "Exodia Necross" from your hand

Or at least Unstable HarmonicsUnstable Harmonics

Card Set(s) -Kingdoms of Intrigue- [OP-04] CARD VIEW OP04-119 | SEC | CHARACTER Donquixote Rosinante (Parallel) Attribute Special Block Icon 1 Type Navy/Donquixote Pirates Effect [Opponent's Turn] If this Character is rested, your active Characters with a base cost of 5 cannot be K.O.'d by effects