Molten Disaster (FUT) from Future Sight, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Ittoku
• Card Text:
  Kicker R (You may pay an additional R as you play this spell.)
  If the kicker cost was paid, Molten Disaster has split second. (As long as this spell is on the stack, players can't play spells or activated abilities that aren't mana abilities.)
  Molten Disaster deals X damage to each creature without flying and each player.