Buff Natalie

This spell costs {1} less to cast for each artifact you control.

When Buff Natalie enters the battlefield, put the top four cards of your library into your graveyard.

{t}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)
"It's said that no person left in this world is able to stop her."