Cheapest priced copy (March of the Machine): $0.35 at Card Kingdom, near mint, their price list as of .
Etched Host Doombringer 
Creature — Phyrexian Demon · 3/5 · Common · March of the Machine · #102
When this creature enters, choose one —
• Target opponent loses 2 life and you gain 2 life.
• Choose target battle. If an opponent protects it, remove three defense counters from it. Otherwise, put three defense counters on it.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| March of the Machine | 102 | Common | $0.35 | $0.49 |