Groundswell (WWK) from Worldwake, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Chris Rahn
• Card Text:
  Target creature gets +2/+2 until end of turn.
  Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.