Cheapest priced copy (Gatecrash): $0.49 at Card Kingdom, near mint, their price list as of .
Foundry Champion 
Creature — Elemental Soldier · 4/4 · Rare · Gatecrash · #165
When this creature enters, it deals damage to any target equal to the number of creatures you control.
{R}: This creature gets +1/+0 until end of turn.
{W}: This creature gets +0/+1 until end of turn.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Gatecrash | 165 | Rare | $0.49 | $0.49 |
| Gatecrash Promos | 165★ | Rare | — | $0.49 |
One ruling from Wizards of the Coast
- 24 January 2013The number of creatures you control is counted when Foundry Champion's triggered ability resolves. Foundry Champion will count itself if it's still on the battlefield under your control at that time.