Heretical Phobos Covos

Level 4 DARK/Illusion Xyz Effect
2100 ATK / 1500 DEF

2 Level 4 monsters
You can target 1 Effect Monster your opponent controls; negate its effects, then if it battled this turn, you can take control of it until the End Phase. This is a Quick Effect if this card has an Illusion monster as material. You can only use this effect of "Heretical Phobos Covos" once per turn. If this card battles a monster, neither can be destroyed by that battle.

Rulings – Yugipedia

Printings:

The Infinite Forbidden: INFO-EN045 (Super Rare) - 2024-07-18
2025 Mega-Pack Tin: MP25-EN088 (Prismatic Secret Rare) - 2025-09-04

Prices:

Cardmarket: 0.12 €
TCGplayer: $ 0.14