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

• Rarity: Common
• Finish: Normal
• Artist: Mark Tedin
• Card Text:
  Target player discards three cards.
  Suspend 4—B (Rather than cast this card from your hand, you may pay B and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)