Cheapest priced copy (Tarkir: Dragonstorm Commander): $0.49 at Card Kingdom, near mint, their price list as of .
Aligned Heart 
Enchantment · Rare · Tarkir: Dragonstorm Commander · #52
Flurry — Whenever you cast your second spell each turn, put a rally counter on this enchantment. Then create a 1/1 white Monk creature token with prowess for each rally counter on it. (Whenever you cast a noncreature spell, the token gets +1/+1 until end of turn.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tarkir: Dragonstorm Commander | 12 | Rare | $0.49 | — |
| Tarkir: Dragonstorm Commander | 52 | Rare | $0.79 | — |
One ruling from Wizards of the Coast
- 4 April 2025Spells that were cast before a permanent with flurry count. If that permanent was the first spell you cast that turn, the next spell you cast that turn is your second spell.