Osgir, Keeper of the Forgotten

Haste

Whenever an artifact card is put into your graveyard from anywhere, you may pay {1}. If you do, exile it. Create two tokens that are copies of that artifact at the beginning of the next end step.

{t}, Exile an artifact card from your graveyard: Create two tokens that are copies of that card. Activate only as a sorcery.

{1}{r}{w}, Sacrifice an artifact: Draw a card.