Magikey Unlocking

Counter Trap

When your opponent activates a Spell/Trap Card while you control a "Magikey" Ritual Monster or a "Magikey" monster Special Summoned from the Extra Deck: Negate the activation, and if you do, destroy that card, then you can declare 1 Attribute, and if you do that, for the rest of this turn all face-up monsters your opponent controls become that Attribute. You can only activate 1 "Magikey Unlocking" per turn.

Rulings – Yugipedia

Printings:

Dawn of Majesty: DAMA-EN073 (Common) - 2021-08-12
2022 Tin of the Pharaoh's Gods: MP22-EN168 (Common) - 2022-09-14

Prices:

Cardmarket: 0.09 €
TCGplayer: $ 0.09