Summoner's Pact (FUT) from Future Sight, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Chippy
• Card Text:
  Summoner's Pact is green.
  Search your library for a green creature card, reveal it, and put it into your hand. Then shuffle your library.
  At the beginning of your next upkeep, pay 2GG. If you don't, you lose the game.