Test Bear

Level 4 EARTH/Beast Effect
900 ATK / 600 DEF

If you control a "Gladiator Beast" monster Special Summoned from the Deck/Extra Deck, you can Special Summon this card (from your hand). You can only Special Summon "Test Bear" once per turn this way. You can Tribute this card, then shuffle 1 "Gladiator Beast" monster from your hand or face-up field into the Deck/Extra Deck; Special Summon up to 2 "Gladiator Beast" monsters from your Deck. (This is treated as a Special Summon by a "Gladiator Beast" monster's effect.) You can only use this effect of "Test Bear" once per turn.

Rulings – Yugipedia

Printings:

Supreme Darkness: SUDA-EN018 (Quarter Century Secret Rare) - 2025-01-23
Supreme Darkness: SUDA-EN018 (Ultra Rare) - 2025-01-23

Prices:

Cardmarket: 0.27 €
TCGplayer: $ 0.52