It appears Kaiba will be using a Ritual card in the movie!

EDIT: MAJOR FIX TO THE (2) EFFECT

MVP1-JP004 Blue-Eyes Chaos MAX Dragon
Level 8 DARK Dragon-Type Ritual Effect Monster
ATK 4000
DEF 0
This card can be Ritual Summoned with “Chaos Form”. Must be Ritual Summoned, and cannot be Special Summoned by other ways.
(1) Cannot be targeted or destroyed by opponent’s card effects
(2) If this card attacks a Defense Position monster, inflict doubled piercing battle damage to your opponent.

Source: Commercial