Minimus Containment (CLB) from Commander Legends: Battle for Baldur's Gate, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Steve Prescott
• Card Text:
  Enchant nonland permanent
  Enchanted permanent is a Treasure artifact with "T, Sacrifice this artifact: Add one mana of any color," and it loses all other abilities. (If it was a creature, it's no longer a creature.)