Cheapest priced copy (Theros): $0.35 at Card Kingdom, near mint, their price list as of .
Phalanx Leader 
Creature — Human Soldier · 1/1 · Uncommon · Ultimate Masters · #27
Heroic — Whenever you cast a spell that targets this creature, put a +1/+1 counter on each creature you control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
3 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Theros Promos | 26 | Uncommon | $0.79 | — |
| Theros | 26 | Uncommon | $0.35 | $0.49 |
| Ultimate Masters | 27 | Uncommon | $0.35 | $0.49 |
3 rulings from Wizards of the Coast
- 15 September 2013Heroic abilities will trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.
- 15 September 2013Heroic abilities won't trigger when a copy of a spell is created on the stack or when a spell's targets are changed to include a creature with a heroic ability.
- 15 September 2013Heroic abilities will resolve before the spell that caused them to trigger.