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It protects everything you do on your turn like Grand Abolisher but goes much further

If this card on the field would be destroyed by battle or card effect, you can destroy 1 other monster you control instead

Sorcery Slagstone Refinery Whenever this artifact or another nontoken artifact you control is put into a graveyard from the battlefield or is put into exile from the battlefield, create a tapped Powerstone token

It can make infinite tokens with Panharmonicon and Deadeye Navigator, for instance, and infinite mana with Worldwalker Helm and Mechanized Production

The OCG website has a list of cards which have been modified in this way

It's painfully adorable and is much too cute for this world