Wave-Motion Cannon is a Quarter Century Secret Rare Spell Card card from Yu-Gi-Oh! (Quarter Century Bonanza, RA03). Current market price: $0.26.
Quarter Century Secret Rare
Quarter Century Bonanza (RA03)
Card Text
During your Main Phase: You can send this face-up card to the GY; inflict 1000 damage to your opponent for each of your Standby Phases that have passed since this card was activated.
