Rubblehulk (GTC) from Gatecrash, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Raymond Swanland
• Card Text:
  Rubblehulk's power and toughness are each equal to the number of lands you control.
  Bloodrush — 1RG, Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control.