Artifact, {T}: Exile a card from your hand face down. You may look at it for as long as it remains exiled.
Rare
{T}: Return a card you own exiled with Gustha's Scepter to your hand.
When you lose control of Gustha's Scepter, put all cards exiled with Gustha's Scepter into their owner's graveyard.
Illus. Sandra Everingham

10/4/2004: The last ability will trigger when a different player gains control of Gustha's Scepter, as well as when Gustha's Scepter leaves the battlefield.
Official Reprint Policy (This card is on the reserved list)
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander