Activate only if both a "Gravekeeper's" monster and "Necrovalley" are on the field. Neither player can Special Summon monsters, except "Gravekeeper's" monsters. If either a "Gravekeeper's" monster or "Necrovalley" is not on the field, destroy this card.
NM-Mint Unlimited - $3.70
Lightly Played Unlimited - $3.30
Moderately Played Unlimited - $3.00
Heavily Played Unlimited - $2.60
Damaged Unlimited - $1.90
NM-Mint 1st Edition - $0.50
Lightly Played 1st Edition - $0.50
Moderately Played 1st Edition - $0.40
Heavily Played 1st Edition - $0.40
Damaged 1st Edition - $0.30
NM-Mint Unlimited Non English - $3.70
Lightly Played Unlimited Non English - $3.30
Moderately Played Unlimited Non English - $3.00
Heavily Played Unlimited Non English - $2.60
Damaged Unlimited Non English - $1.90
NM-Mint 1st Edition Non English - $0.50
Lightly Played 1st Edition Non English - $0.50
Moderately Played 1st Edition Non English - $0.40
Heavily Played 1st Edition Non English - $0.40
Damaged 1st Edition Non English - $0.30