Gladiator Beast War Chariot

Counter Trap

When an Effect Monster's effect is activated, if you control a face-up "Gladiator Beast" monster: Negate the activation and destroy it.

Rulings – Yugipedia

Printings:

The Duelist Genesis: TDGS-EN074 (Super Rare) - 2008-09-02
Turbo Pack: Booster Three: TU03-EN019 (Common) - 2010-07-10
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN266 (Secret Rare) - 2011-10-04
Ra Yellow Mega Pack: RYMP-EN113 (Rare) - 2012-02-17
OTS Tournament Pack 12 (POR): OP12-PT036 (Common) - 2019-12-05
Maze of the Master: MZTM-EN105 (Rare) - 2025-03-13

Prices:

Cardmarket: 0.25 €
TCGplayer: $ 0.16