Unstable Evolution [5DS2-EN030] Common BW89 Set: Best of Promos Type:

Set: Best of Promos Type: Lightning Rarity: Promo Retreat cost: Colorless

Set: HeartGold & SoulSilver: Black Star Promos Type: Psychic Rarity: Black Star Promo Retreat cost: Colorless

If this card has "Dark Rebellion Xyz Dragon" as Xyz Material

when an opponent's monster activates its effect (Quick Effect): You can detach 2 materials from this card

Unstable Evolution [5DS2-EN030] Common BW89 Set: Best of Promos Type:Set: 5D's Starter Deck 2009 Card type: Equip Spell Card Rarity: Common While your Life Points are lower than your opponent's, the equipped monster's original ATK becomes 2400. While your Life Points are higher than your opponent's, its original ATK becomes 1000.