Voltaic Key [Urza's Saga] Magic Player Rewards 2006 Set: Fate Reforged Promos Type:

Set: Fate Reforged Promos Type: Instant Rarity: Rare Cost: {4}{U}{U} Return target creature to its owner's hand

and sometimes it's right there in front of you

Fear (This creature can't be blocked except by artifact creatures and/or black creatures

Set: Portal Three Kingdoms Type: Creature — Human Soldier Archer Rarity: Uncommon Cost: {R} Sacrifice Fire Bowman: It deals 1 damage to any target

Set: Commander Anthology Volume II Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

Voltaic Key [Urza's Saga] Magic Player Rewards 2006 Set: Fate Reforged Promos Type:Set: Urza's Saga Type: Artifact Rarity: Uncommon Cost: {1} {1}, {T}: Untap target artifact. The key did not work on a single lock, yet it opened many doors.