Cheapest priced copy (World Championship Decks 1998): $6.99 at Card Kingdom, near mint, their price list as of .
Tithe 
Instant · Rare · Visions · #23
Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards, put them into your hand, then shuffle.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $6.99 to $37.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Visions | 23 | Rare | $37.99 | — |
| World Championship Decks 1998 | bh23a | Rare | $6.99 | — |
2 rulings from Wizards of the Coast
- 4 October 2004Counts lands on resolution, not on announcement.
- 4 October 2004Because the “search” requires you to find a card with certain characteristics, you don’t have to find the card if you don’t want to.