Nekroz of Unicore

Level 4 WATER/Spellcaster Ritual Effect
2300 ATK / 1000 DEF

You can Ritual Summon this card with any "Nekroz" Ritual Spell. Must be Ritual Summoned. You can discard this card, then target 1 "Nekroz" card in your GY, 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 face-up monsters on the field that were Special Summoned from the Extra Deck.

Rulings – Yugipedia

Printings:

The Secret Forces: THSF-EN016 (Secret Rare) - 2015-02-12
Duel Power: DUPO-EN088 (Ultra Rare) - 2019-04-03
Quarter Century Bonanza: RA03-EN262 (Platinum Secret Rare) - 2024-11-07
Quarter Century Bonanza: RA03-EN262 (Quarter Century Secret Rare) - 2024-11-07

Prices:

Cardmarket: 0.19 €
TCGplayer: $ 0.68