Silver Key

{t}{5}— Exile Silver Key, Search your library for
any artifact. Then place it on the battlefield unequipped. Shuffle your library.
{t}{10}— Exile Silver Key, Search your library for
any two artifacts. Then place them on the battlefield unequipped. Shuffle your library.
{t}15— Exile Silver Key, Search your
library for any three artifacts. Then place them on
the battlefield unequipped. Shuffle your library.