Cheapest priced copy (Avatar: The Last Airbender): $0.35 at Card Kingdom, near mint, their price list as of .
Deserter's Disciple 
Creature — Human Rebel Ally · 2/2 · Common · Avatar: The Last Airbender · #131
{T}: Another target creature you control with power 2 or less can't be blocked this turn.
Legal inCommanderBrawlStandardPioneerModernLegacyVintagePauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender | 131 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 2 October 2025Once a creature with power 2 or less has been blocked, Deserter's Disciple's ability won't cause it to become unblocked.
- 2 October 2025If the target creature's power is increased to 3 or greater after Deserter's Disciple's ability is activated but before it resolves, the ability doesn't resolve. However, if instead the creature's power is increased to 3 or greater after the ability resolves, it still can't be blocked that turn.