Crystalline Crawler (CM2) from Commander Anthology Volume II, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Jason Felix
• Card Text:
  Converge — Crystalline Crawler enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
  Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.
  T: Put a +1/+1 counter on Crystalline Crawler.