During damage calculation, if your "Cipher" monster battles, while another monster with its same name is on the field: You can double the ATK of your battling "Cipher" monster until the end of the Battle Phase. You can only use this effect of "Cipher Interference" once per turn.
NM-Mint 1st Edition - $1.00
Lightly Played 1st Edition - $0.90
Moderately Played 1st Edition - $0.80
Heavily Played 1st Edition - $0.70
Damaged 1st Edition - $0.50
NM-Mint 1st Edition Non English - $1.00
Lightly Played 1st Edition Non English - $0.90
Moderately Played 1st Edition Non English - $0.80
Heavily Played 1st Edition Non English - $0.70
Damaged 1st Edition Non English - $0.50