Chain Detonation

Normal Trap

Inflict 500 damage to your opponent. If this card was activated as Chain Link 2 or 3, add this card to the Deck and shuffle it. If this card was activated as Chain Link 4 or higher, return this card to the hand.

Rulings – Yugipedia

Printings:

Cyberdark Impact: CDIP-EN054 (Common) - 2006-11-15

Prices:

Cardmarket: 0.13 €
TCGplayer: $ 0.18