cards with mobilize mtg [POR #172] and it becomes a Vampire in addition to its other types. MTG Mobilize (Portal/Green/C) - BGM

You can use his sacrifice trigger to keep your opponents' board clear while sacrificing either fodder like Bitterblossom tokens or creatures that want to die like Corpse Augur

Can I use Spatula of the Ages to put Unhinged cards into play

Funnily enough, I had a quick look at the Cloudpost deck that made the Top 8 of the very first Modern Pro Tour in Philadelphia back in 2011, and the deck contained four cards that are now banned Cloudpost, Eye of Ugin, Green Suns Zenith and Punishing Fire

Hopefully this artifact support transitions from absolutely necessary to nice to have for all white decks over time, but given what weve seen from most recent Commander products, its probably going to be a while before were at that point