Voice of Duty [Urza's Destiny] Duels of the Planeswalkers Reverse Type: Legendary Planeswalker —

Reverse Type: Legendary Planeswalker — Jace +1: Up to one target creature gets -2/-0 until your next turn

Set: Antiquities Type: Artifact Rarity: Uncommon Cost: {6} {2}: Prevent the next 1 damage that would be dealt to any target this turn

Others think it's crystallized life energy

1 — Sacrifice Jack-in-the-Mox and you lose 5 life

Voice of Duty [Urza's Destiny] Duels of the Planeswalkers Reverse Type: Legendary Planeswalker —Set: Urza's Destiny Type: Creature Angel Rarity: Uncommon Cost: {3}{W} Flying, protection from green "Next to Law is Duty, and Duty must be obeyed. If the frame of Duty is broken, none shall weave life's fabric." *Song of All*, canto 167