
You may choose not to untap this artifact during your untap step.
{4}, {T}: Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as this artifact remains tapped.
Amber Prison has 3 printings, first in Mirage (1996). EDHREC ranks it #23,523 among Commander cards. It appears most in Hixus, Prison Warden decks (2 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.