Cheapest priced copy (Ravnica: Clue Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Passwall Adept 
Creature — Human Wizard · 1/3 · Common · Guilds of Ravnica · #50
{2}{U}: Target creature can't be blocked this turn.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica: Clue Edition | 91 | Common | $0.35 | — |
| Guilds of Ravnica | 50 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 5 October 2018Activating Passwall Adept’s ability after a creature has become blocked won’t cause that creature to become unblocked.