Weakstone's Subjugation | 72 | The Brothers' War

Set: The Brothers' War
Rarity: C
#: 72
Creature Type or Sub Type: Enchantment — Aura
Rules Text Contains: Enchant artifact or creature
When Weakstone's Subjugation enters the battlefield, you may pay 3. If you do, tap enchanted permanent.
Enchanted permanent doesn't untap during its controller's untap step.