Cheapest priced copy (Dragons of Tarkir): $3.49 at Card Kingdom, near mint, their price list as of .
Descent of the Dragons 
Sorcery · Mythic · Dragons of Tarkir · #133
Destroy any number of target creatures. For each creature destroyed this way, its controller creates a 4/4 red Dragon creature token with flying.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $3.49 to $6.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Dragons of Tarkir | 133 | Mythic | $3.49 | $6.99 |
One ruling from Wizards of the Coast
- 25 February 2015If a creature is targeted but not destroyed (for example, if it regenerates or has indestructible), it won’t count toward the number of Dragon tokens put onto the battlefield.