Magnetic Mountain (3ED) from Revised Edition, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Susan Van Camp
• Card Text:
  Blue creatures do not untap as normal. During their upkeep phases, players must spend 4 for each blue creature they wish to untap. This cost must be paid in addition to any other untap cost a given blue creature may already require.