When an attack is declared involving a Fusion Monster you control and an opponent's monster: That monster you control gains ATK equal to the ATK of the opponent's monster, until the end of the Damage Step. You can only activate 1 "Battle Fusion" per turn.
Near Mint / Lightly Played Unlimited - $1.00
Moderately Played Unlimited - $1.00
Heavily Played Unlimited - $1.00
Damaged Unlimited - $0.50
Near Mint / Lightly Played 1st Edition - $0.50
Moderately Played 1st Edition - $0.50
Heavily Played 1st Edition - $0.50
Damaged 1st Edition - $0.50