Cheapest priced copy (Dragon's Maze): $0.35 at Card Kingdom, near mint, their price list as of .
Sin Collector 
Creature — Human Cleric · 2/1 · Uncommon · Dragon's Maze · #103
When this creature enters, target opponent reveals their hand. You choose an instant or sorcery card from it and exile that card.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
4 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dragon's Maze | 103 | Uncommon | $0.35 | $0.49 |
| Friday Night Magic 2013 | 12 | Rare | — | $0.49 |
| RNA Guild Kit | 45 | Uncommon | $0.35 | — |
| Modern Masters 2017 | 183 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 15 April 2013No player can do anything between you choosing a card and that card being exiled. Notably, your opponent can’t cast the card once Sin Collector’s ability has started to resolve.