Underdark Rift (AFC) from Forgotten Realms Commander, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Chris Ostrowski
• Card Text:
  T: Add C.
  5, T, Exile Underdark Rift: Roll a d10. Put target artifact, creature, or planeswalker into its owner's library just beneath the top X cards of that library, where X is the result. Activate only as a sorcery.