Cheapest priced copy (Commander 2014): $5.99 at Card Kingdom, near mint, their price list as of .
Scrap Mastery 
Sorcery · Rare · Commander Anthology Volume II · #116
Each player exiles all artifact cards from their graveyard, then sacrifices all artifacts they control, then puts all cards they exiled this way onto the battlefield.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $5.99 to $6.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2014 | 38 | Rare | $5.99 | — |
| Commander Anthology Volume II | 116 | Rare | $6.49 | — |
One ruling from Wizards of the Coast
- 7 November 2014“Exiled this way” refers to the exile instruction that’s part of Scrap Mastery’s effect. If the sacrificed artifacts are instead exiled because of a replacement effect, those cards won’t be put onto the battlefield.