Cheapest priced copy (Aetherdrift Commander): $0.35 at Card Kingdom, near mint, their price list as of .
Wayward Servant 
Creature — Zombie · 2/2 · Uncommon · Aetherdrift Commander · #121
Whenever another Zombie you control enters, each opponent loses 1 life and you gain 1 life.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Amonkhet | 208 | Uncommon | $0.49 | $2.99 |
| Aetherdrift Commander | 121 | Uncommon | $0.35 | — |
2 rulings from Wizards of the Coast
- 18 April 2017In a Two-Headed Giant game, the triggered ability of Wayward Servant causes the opposing team to lose 2 life and you gain 1 life.
- 18 April 2017If Wayward Servant enters the battlefield at the same time as another Zombie creature, its ability triggers for that Zombie.