Kaiba Corporation Ultra Rare (海馬（かいば）コーポレイションウルトラレア Kaiba Kōporeishon Urutora Rea), is an OCG-exclusive rarity introduced in Yu-Gi-Oh! The Dark Side of Dimensions Movie Pack. The cards are similar to Ultra Rares (gold card name and a holofoil image), but also have a Kaiba Corporation Rare coating.