Iron Chain Repairman (CSOC-EN017) - Crossroads of Chaos Unlimited

When this card destroys a monster by battle and sends it to the Graveyard, inflict 300 damage to your opponent. Once per turn, you can Special Summon 1 Level 4 or lower "Iron Chain" monster from your Graveyard, except "Iron Chain Repairman". This card cannot attack the turn you activate this effect.