YuGiOh: Wave-Motion Cannon

Yu-Gi-Oh Card: Wave-Motion Cannon
Available from these partners:
Wave-Motion Cannon
Type:Continuous Spell
Text:During your Main Phase, you can send this card to the Graveyard to inflict 1000 points of damage to your opponent for each of your Standby Phases that have passed since this card was activated.
Printings: Champion Pack: Game 5 (CP05-EN004)
Dark Revelations Volume 1 (DR1-095)
Duel Devastator Box (DUDE-EN039)
Magician's Force (MFC-040)