Steelswarm Caucastag

Level 8 DARK/Fiend Effect Monster
2800 ATK / 0 DEF

When this card is Tribute Summoned by Tributing 2 "Steelswarm" monsters: Activate 1 of these effects.
● Destroy all monsters on the field, except this card.
● Destroy all Spell and Trap Cards on the field.

Rulings – Yugipedia

Printings:

Duel Terminal 5b: DT05-EN083 (Duel Terminal Ultra Parallel Rare) - 2011-09-29
Hidden Arsenal 5: Steelswarm Invasion: HA05-EN050 (Secret Rare) - 2011-12-01

Prices:

Cardmarket: 1.26 €
TCGplayer: $ 0.67