Errant Ephemeron (DDM) from Duel Decks: Jace vs. Vraska, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Luca Zontini
• Card Text:
  Flying
  Suspend 4 — 1U (Rather than cast this card from your hand, you may pay 1U 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. It has haste.)