Activate only during damage calculation if a monster you control is being attacked. The attack target monster you control gains ATK equal to half the original ATK of the attacking monster, until the End Phase.
.
Like New Unlimited - $0.70
Like New 1st Edition - $0.30
Light Played Unlimited - $0.50
Light Played 1st Edition - $0.20
Heavy Played Unlimited - $0.30
Heavy Played 1st Edition - $0.10