Target 1 "Mathmech" monster in your GY; Special Summon it, and if you do, it gains 1000 ATK until the end of this turn. You can only activate 1 "Mathmech Equation" per turn.
NM-Mint 1st Edition - $1.10
NM-Mint 1st Edition Non English - $1.10
Lightly Played 1st Edition - $1.10
Lightly Played 1st Edition Non English - $1.10
Moderately Played 1st Edition - $1.00
Moderately Played 1st Edition Non English - $1.00
Heavily Played 1st Edition - $0.90
Heavily Played 1st Edition Non English - $0.90
Damaged 1st Edition - $0.80
Damaged 1st Edition Non English - $0.80