Spatial Collapse - IOC-051 - Common - 1st Edition from Invasion of Chaos 1st Edition, available at 401 Games Canada.

• Rarity: Common
• Card Text:
  You can only activate this card when both you and your opponent each have 5 or less cards on the field. As long as this card remains face-up on the field, the total number of cards that each player can have on the field is 5.