Cheapest priced copy (Aether Revolt): $0.35 at Card Kingdom, near mint, their price list as of .
Spire Patrol 
Creature — Human Soldier · 3/2 · Uncommon · Aether Revolt · #136
Flying
When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Aether Revolt | 136 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 9 February 2017Spire Patrol’s ability can target a creature that’s already tapped. That creature won’t untap during its controller’s next untap step.