Unstable Footing (ZEN) from Zendikar, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Nic Klein
• Card Text:
  Kicker 3R (You may pay an additional 3R as you cast this spell.)
  Damage can't be prevented this turn. If Unstable Footing was kicked, it deals 5 damage to target player.