Cheapest priced copy (Invasion): $0.59 at Card Kingdom, near mint, their price list as of .
Elfhame Sanctuary 
Enchantment · Uncommon · Invasion · #185
At the beginning of your upkeep, you may search your library for a basic land card, reveal that card, put it into your hand, then shuffle. If you do, you skip your draw step this turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.59 to $9.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 185 | Uncommon | $0.59 | $9.99 |
3 rulings from Wizards of the Coast
- 4 October 2004The “if you do” means “if you search your library”. You get to skip your draw step and shuffle your deck even if you don’t find (or choose not to find) a basic land.
- 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.
- 4 October 2004If you have more than one of these on the battlefield, you get to use them all and you don’t skip multiple draw steps.