You can Ritual Summon this card with any "Nekroz" Ritual Spell Card. Must be Ritual Summoned, and cannot be Special Summoned by other ways. You can discard this card, then target 1 "Nekroz" card in your Graveyard, except "Nekroz of Unicore"; add it to your hand. You can only use this effect of "Nekroz of Unicore" once per turn. Negate the effects of all face-up monsters on the field that were Special Summoned from the Extra Deck.
Near Mint / Lightly Played Unlimited - $2.00
Moderately Played Unlimited - $1.50
Heavily Played Unlimited - $1.50
Damaged Unlimited - $1.00
Near Mint / Lightly Played 1st Edition - $3.00
Moderately Played 1st Edition - $3.00
Heavily Played 1st Edition - $2.50
Damaged 1st Edition - $2.00