Foraging Wickermaw (ECL) from Lorwyn Eclipsed, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Ron Spencer
• Card Text:
  When this creature enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
  1: Add one mana of any color. This creature becomes that color until end of turn. Activate only once each turn.