This way you almost always end up getting your mana back and it essentially plays as a 0 or 1 mana draw three
Artifact - Spacecraft Smuggler's Buggy Hideaway 4 (When this artifact enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) Whenever this Vehicle deals combat damage to a player, you may cast the exiled card without paying its mana cost
3 Mind's Eye, By David Gaillet Its surprising that, given theyre all set within a public Fair, more of the Kaladesh Inventions dont show people testing out the Invention they depict
Maybe cards like Frogmite and Sojourners Companion get a lot better, but then it just starts to feel like a different aggro deck
The first version of Summon cards that I was happy with were creatures with vanishing and an ability that triggered when you sacrificed them