Cheapest priced copy (Ravnica Allegiance): $0.49 at Card Kingdom, near mint, their price list as of .
Nikya of the Old Ways 
Legendary Creature — Centaur Druid · 5/5 · Rare · Ravnica Allegiance · #193
You can't cast noncreature spells.
Whenever you tap a land for mana, add one mana of any type that land produced.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.49 to $2.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Ravnica Allegiance Promos | 193s | Rare | — | $2.49 |
| Ravnica Allegiance | 193 | Rare | $0.49 | $1.49 |
3 rulings from Wizards of the Coast
- 25 January 2019The types of mana are white, blue, black, red, green, and colorless.
- 25 January 2019If you tap a land for more than one mana, you choose one type that was produced and add one mana of that type.
- 25 January 2019Nikya doesn’t care about any restrictions or riders your lands put on the mana they produce, such as those of Unclaimed Territory and Guildmages’ Forum. It just produces one mana of the appropriate type, with no restrictions or riders.