LVAL-JP050
Chaos Numbers 92 Gigai Kyoryuu Heart-eartH Chaos Dragon
Number C92: Heart-eartH Chaos Dragon
DARK Dragon / Xyz / Effect
Rank 10 1000/0
4 Level 10 monsters
Cannot be destroyed by battle. When a monster you control inflicts battle damage to your opponent: Gain an equal amount of Life Points. If this card has “Number 92: Heart-eartH Dragon” as an Xyz Material, it gains this effect.
-Once per turn: You can detach 1 Xyz Material from this card; negate the effects of all face-up cards your opponent currently controls until the end of this turn. This effect’s activation and effect cannot be negated.

LVAL-JP049
Chaos Numbers 69 Death Medallion Chaos of Arms
Number C69: Chaos Heraldry Crest
LIGHT Psychic / Xyz / Effect
Rank 5 4000/1800
4 Level 5 monsters
When your opponent declares an attack: Destroy all cards your opponent controls. If this card has “Number 69: Heraldry Crest” as an Xyz Material, it gains this effect.
-Once per turn: You can detach 1 Xyz Material from this card, then target 1 Xyz Monster your opponent controls; until the End Phase, this card gains ATK equal to that monster’s original ATK, and this card’s name and original effect become the same as that monster.

Source: http://blog.livedoor.jp/maxut/archives/33205214.html