Cheapest priced copy (Commander 2018): $0.49 at Card Kingdom, near mint, their price list as of .
Scuttling Doom Engine 
Artifact Creature — Construct · 6/6 · Rare · Magic 2015 · #229
This creature can't be blocked by creatures with power 2 or less.
When this creature dies, it deals 6 damage to target opponent or planeswalker.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.49 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2018 | 219 | Rare | $0.49 | — |
| Duel Decks: Elves vs. Inventors | 61 | Rare | $0.49 | — |
| Magic 2015 | 229 | Rare | $0.49 | $0.79 |
One ruling from Wizards of the Coast
- 18 July 2014Once Scuttling Doom Engine has been blocked by a creature, reducing that creature’s power to 2 or less won’t change or undo that block.