For example, Sculpting Steel (a noncreature card in the graveyard) can be put onto the battlefield as a copy of a creature, but Phyrexian Metamorph (a creature card in the graveyard) can't be put onto the battlefield, even if it would copy a noncreature artifact
Limitations: Because it averages eBay sales, the "ungraded" price can be misleading, as it often lumps together cards of all conditions, from damaged to near-mint
And we have always felt welcome either by ourselves or with our kid (family friendly!) If you like paints and other collectibles, they also have tons
In a format with an ever growing abundance of artifacts, and with it, more cards like Austere Command, Farewell and Vandalblast getting played, returning your own to hand with Retract over having them get exiled or destroyed isnt bad