Crater Hellion (DDL) from Duel Decks: Heroes vs. Monsters, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Daren Bader
• Card Text:
  Echo 4RR (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
  When Crater Hellion enters the battlefield, it deals 4 damage to each other creature.