Cheapest priced copy (Aether Revolt): $0.35 at Card Kingdom, near mint, their price list as of .
Ironclad Revolutionary 
Creature — Aetherborn Artificer · 4/4 · Uncommon · Aether Revolt · #65
When this creature enters, you may sacrifice an artifact. If you do, put two +1/+1 counters on this creature and each opponent loses 2 life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aether Revolt | 65 | Uncommon | $0.35 | $0.49 |
3 rulings from Wizards of the Coast
- 9 February 2017In a Two-Headed Giant game, Ironclad Revolutionary’s ability causes the opposing team to lose a total of 4 life.
- 9 February 2017You can sacrifice an artifact only once when Ironclad Revolutionary’s triggered ability resolves. You can’t sacrifice more to get more counters or more life loss.
- 9 February 2017You choose whether to sacrifice an artifact or not as Ironclad Revolutionary’s ability resolves. No player may take actions between the time you choose whether to sacrifice an artifact and, if you do so, the time that counters are added and life is lost.