Cheapest priced copy (Kaladesh): $0.49 at Card Kingdom, near mint, their price list as of .
Master Trinketeer 
Creature — Dwarf Artificer · 3/2 · Rare · Kaladesh · #21
Servos and Thopters you control get +1/+1.
{3}{W}: Create a 1/1 colorless Servo artifact creature token.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.49 to $0.59 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Kaladesh | 21 | Rare | $0.49 | $0.49 |
| Kaladesh Promos | 21s | Rare | — | $0.59 |
One ruling from Wizards of the Coast
- 20 September 2016A creature that is both a Servo and a Thopter gets +1/+1, not +2/+2.