Negative Zone Portal (MSC) from Marvel Super Heroes Commander, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Vilhelmas Banys
• Card Text:
  2, T: Exile target card from an opponent’s graveyard. If it’s a creature card, draw a card.
  At the beginning of your upkeep, if there are four or more creature cards exiled with this artifact, flip a coin. If you lose the flip, sacrifice this artifact and return a card exiled with it at random to its owner’s hand.