Faith's Fetters (CM2) from Commander Anthology Volume II, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Brian Despain
• Card Text:
  Enchant permanent
  When Faith's Fetters enters the battlefield, you gain 4 life.
  Enchanted permanent's activated abilities can't be activated unless they're mana abilities. If enchanted permanent is a creature, it can't attack or block.