The Wicked Dreadroot

Level 10 DARK/Fiend Effect Monster
4000 ATK / 4000 DEF

This card cannot be Special Summoned. This card cannot be Normal Summoned or Set except by Tributing 3 monsters. Halve the ATK and DEF of all monsters on the field, except this card.

Rulings – Yugipedia

Printings:

Shonen Jump Vol. 6, Issue 1 promotional card: JUMP-EN018 (Ultra Rare) - 2008-01-01
Collectible Tins 2010 Wave 1: CT07-EN015 (Super Rare) - 2010-08-31
King's Court: KICO-EN060 (Rare) - 2021-07-08

Prices:

Cardmarket: 0.08 €
TCGplayer: $ 0.08