Darkworld Shackles

Yu-Gi-Oh Card: Darkworld Shackles
Available from these partners:
Darkworld Shackles
Type:Equip Spell
Text:The equipped monster cannot attack, and its ATK and DEF become 100. During each of your Standby Phases, inflict 500 damage to the controller of the equipped monster.
Printings: Battle Pack: Epic Dawn (BP01-EN083)
Starstrike Blast (STBL-EN057)