Cheapest priced copy (The List): $3.49 at Card Kingdom, near mint, their price list as of .
Draco 
Artifact Creature — Dragon · 9/9 · Rare · Planeshift · #131
Domain — This spell costs {2} less to cast for each basic land type among lands you control.
Flying
Domain — At the beginning of your upkeep, sacrifice this creature unless you pay {10}. This cost is reduced by {2} for each basic land type among lands you control.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
3 printings · $3.49 to $94.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| From the Vault: Dragons | 3 | Rare | — | $15.99 |
| Planeshift | 131 | Rare | $5.99 | $94.99 |
| The List | PLS-131 | Rare | $3.49 | — |
2 rulings from Wizards of the Coast
- 18 June 2021Domain abilities count the number of basic land types among lands you control, not how many lands you control or how many of any type.
- 18 June 2021The basic land types are Plains, Island, Swamp, Mountain, and Forest. Land types other than basic land types (such as Desert) don't contribute to domain abilities.