Cheapest priced copy (Born of the Gods): $0.49 at Card Kingdom, near mint, their price list as of .
Forgestoker Dragon 
Creature — Dragon · 5/4 · Rare · Born of the Gods · #98
Flying
{1}{R}: This creature deals 1 damage to target creature. That creature can't block this combat. Activate only if this creature is attacking.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Born of the Gods | 98 | Rare | $0.49 | $0.49 |
| Born of the Gods Promos | 98★ | Rare | — | $0.49 |
2 rulings from Wizards of the Coast
- 1 February 2014If you don't want the target creature to be able to block, Forgestoker Dragon's activated ability must be activated during the declare attackers step.
- 1 February 2014Forgestoker Dragon's activated ability can target any creature, not just creatures controlled by the defending player or ones that could block.