Cyberdark Horn (DP04-EN007) - Duelist Pack 4: Zane Truesdale Unlimited

When this card is Normal Summoned, select 1 Level 3 or lower Dragon-Type monster in your Graveyard and equip it to this card. This card gains ATK equal to the equipped card's ATK. This card inflicts Piercing damage. If this card would be destroyed by battle, the equipped monster is destroyed instead.