Ratchet Bomb (2XM) from Double Masters, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Austin Hsu
• Card Text:
  T: Put a charge counter on Ratchet Bomb.
  T, Sacrifice Ratchet Bomb: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Ratchet Bomb.