Cheapest priced copy (Foundations Jumpstart): $0.35 at Card Kingdom, near mint, their price list as of .
Akroan Crusader 
Creature — Human Soldier · 1/1 · Common · Theros · #111
Heroic — Whenever you cast a spell that targets this creature, create a 1/1 red Soldier creature token with haste. (It can attack and {T} as soon as it comes under your control.)
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
3 printings · $0.35 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Jumpstart | 515 | Common | $0.35 | — |
| Theros | 111 | Common | $0.35 | $0.79 |
| Ultimate Masters | 121 | Common | $0.39 | $0.49 |
3 rulings from Wizards of the Coast
- 15 September 2013Heroic abilities will resolve before the spell that caused them to trigger.
- 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 trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.