Number 69: Coat of Arms the Divine Medallion Rank 4/LIGHT/Psychic-Type - Effect, Xyz/2600 ATK/1400 DEF 3 Level 4 monsters. When this card is Special Summoned: Negate the effects of all face-up Xyz monsters on the field, except this one. During your Main Phase: You can target 1 monster whose effect(s) was negated by this card. Until the End Phase, it has the same name and same effects as the target. The effect of "Number 69: Coat of Arms the Divine Medallion" can only be used once per turn.
Supposedly for 88: Number 88: Gimmick Puppet - Destiny Leo Rank 8/DARK/Machine-Type - Effect, Xyz/3200 ATK/2300 DEF 3 Level 8 monsters. Once per turn, if you control no cards in your Spell & Trap Card Zone: You can detach 1 Xyz Material from this card; place 1 Destiny Counter on this card, but you cannot Special Summon during this turn. When this card has 3 Destiny Counters on it, its controller wins the Duel.