Amber Prison:
You may choose not to untap Amber Prison during your untap phase. 4, TAP: Tap target artifact, creature, or land. As long as Amber Prison remains tapped, that permanent does not untap during its controller's untap phase.
Number: 8
Rarity: R
Power: 0
Toughness: 0
Type: Artifact
Mana cost: 4
Color: Artifact
Artist: Donato Giancola
Mana Costs: W=White B=Black; G=Green; R=Red; U=Blue
