Myr Incubator

{6}, {T}, Sacrifice this artifact: Search your library for any number of artifact cards, exile them, then create that many 1/1 colorless Myr artifact creature tokens. Then shuffle.

World Championship Decks 2004

Mirrodin

{6}, {T}, Sacrifice Myr Incubator: Search your library for any number of artifact cards, remove them from the game, then put that many 1/1 Myr artifact creature tokens into play. Then shuffle your library.