Ixalan brings with it the first rotation in what seems like forever
The reason is that itd just be too expensive to produce Magic cards to that level of perfection
15 packs per box, 4 cards per pack
What Kind of Pokmon Cards Do We Buy
You can return it from the graveyard for free with Teshar, Ancestor's Apostle, and then sacrifice it to get another artifact back, which then triggers Teshar again, and so on
It's a bit unfortunate that the deck also has to use a card slot on Mana Crypt with a very similar profile, which we only use once to cast the first Show and Tell and then never hear from it again, but the 0-mana cost is quite obtrusive is combination with March of the Machines, and getting it to work well without working too well can't be done in a single card slot with the existing card pool