Cheapest priced copy (Duel Decks: Nissa vs. Ob Nixilis): $0.35 at Card Kingdom, near mint, their price list as of .
Mire's Toll 
Sorcery · Common · Worldwake · #60
Target player reveals a number of cards from their hand equal to the number of Swamps you control. You choose one of them. That player discards that card.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Nissa vs. Ob Nixilis | 55 | Common | $0.35 | — |
| Worldwake | 60 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 March 2010If the number of Swamps you control exceeds the number of cards in the targeted player’s hand, that player reveals all the cards in their hand.