Reality Acid (TSR) from Time Spiral Remastered, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: James Wong
• Card Text:
  Enchant permanent
  Vanishing 3 (This Aura enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
  When Reality Acid leaves the battlefield, enchanted permanent’s controller sacrifices it.