thats right a pile driver

Multikicker (You may pay an additional any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. : Add for each charge counter on this artifact.

Imprint — When this artifact enters, you may exile a nonland card from your hand. Spells you cast that share a card type with the exiled card cost less to cast.

, Sacrifice an artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

When this artifact enters, destroy target permanent. When this artifact is put into a graveyard from the battlefield, return it to its owner's hand.