Cheapest priced copy (Multiverse Legends): $0.99 at Card Kingdom, near mint, their price list as of .
Niv-Mizzet Reborn 
Legendary Creature — Dragon Avatar · 6/6 · Mythic · War of the Spark · #208
Flying
When Niv-Mizzet enters, reveal the top ten cards of your library. For each color pair, choose a card that's exactly those colors from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
8 printings · $0.99 to $24.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Multiverse Legends | 53 | Mythic | $0.99 | $0.99 |
| Multiverse Legends | 118 | Mythic | — | — |
| Multiverse Legends | 183 | Mythic | — | $24.99 |
| Multiverse Legends | 183z | Mythic | — | — |
| The List | WAR-208 | Mythic | $0.99 | — |
| War of the Spark Promos | 208s | Mythic | — | $5.49 |
| Ravnica Remastered | 459 | Mythic | $1.99 | $1.99 |
| War of the Spark | 208 | Mythic | $0.99 | $4.99 |
2 rulings from Wizards of the Coast
- 3 May 2019If the top ten cards of your library don't contain all ten color pairs, you choose as many cards as you can and put those cards into your hand.
- 3 May 2019A "color pair" is exactly two colors. There are ten color pairs in Magic: white-blue, white-black, blue-black, blue-red, black-red, black-green, red-green, red-white, green-white, and green-blue.