Devouring Rage (CHK) from Champions of Kamigawa, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Vance Kovacs
• Card Text:
  As an additional cost to play Devouring Rage, you may sacrifice any number of Spirits.
  Target creature gets +3/+0 until end of turn. For each Spirit sacrificed this way, that creature gets an additional +3/+0 until end of turn.