Sterben Death Gun (SAO/SE23-E09 R) [Sword Art Online II]

[AUTO] When this card attacks, if all of your opponent's characters are "Target", you may deal one damage to your opponent. (This damage may be canceled) [AUTO] When this card attacks, if a card named "Fateful Estoc Wielder" is in your climax area, until the end of your opponent's next turn, this card gets +2500 power and the following ability."[AUTO] When this card's battle opponent becomes REVERSE, you may put that character on the top of your opponent's deck."