Cheapest priced copy (Secret Lair Drop): $4.99 at Card Kingdom, near mint, their price list as of .
Liliana's Contract 
Enchantment · Rare · Secret Lair Drop · #1844
When this enchantment enters, you draw four cards and you lose 4 life.
At the beginning of your upkeep, if you control four or more Demons with different names, you win the game.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $4.99 to $8.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Core Set 2019 | 107 | Rare | $5.49 | $7.99 |
| Core Set 2019 Promos | 107s | Rare | — | $6.99 |
| Secret Lair Drop | 161 | Rare | $8.99 | $7.49 |
| Secret Lair Drop | 161★ | Rare | — | — |
| Secret Lair Drop | 1844 | Rare | $4.99 | — |
2 rulings from Wizards of the Coast
- 13 July 2018If you don’t control four Demons with different names as your upkeep begins, the second ability of Liliana’s Contract won’t trigger. You can’t take any actions during your turn before your upkeep begins.
- 13 July 2018If the second ability does trigger, but you no longer control four Demons with different names as the ability resolves, you won’t win the game.