Cheapest priced copy (Dominaria United Commander): $24.99 at Card Kingdom, near mint, their price list as of .
Tiller Engine 
Artifact Creature — Construct · 1/3 · Rare · Dominaria United Commander · #96
Whenever a land you control enters tapped, choose one —
• Untap that land.
• Tap target nonland permanent an opponent controls.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $24.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dominaria United Commander | 20 | Rare | $24.99 | — |
| Dominaria United Commander | 96 | Rare | $24.99 | — |