Cheapest priced copy (Battlebond): $0.49 at Card Kingdom, near mint, their price list as of .
Goblin Razerunners 
Creature — Goblin Warrior · 3/4 · Rare · Conflux · #64
{1}{R}, Sacrifice a land: Put a +1/+1 counter on this creature.
At the beginning of your end step, you may have this creature deal damage equal to the number of +1/+1 counters on it to target player or planeswalker.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $0.49 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battlebond | 179 | Rare | $0.49 | $0.79 |
| Conflux | 64 | Rare | $0.49 | $1.49 |
| Duel Decks: Merfolk vs. Goblins | 47 | Rare | $0.49 | — |
| Neon Dynasty Commander | 106 | Rare | $0.49 | — |
2 rulings from Wizards of the Coast
- 1 February 2009You don't count how many +1/+1 counters are on Goblin Razerunners until its triggered ability resolves.
- 1 February 2009If Goblin Razerunners leaves the battlefield after its ability triggers but before it resolves, the amount of damage it deals is equal to the number of +1/+1 counters that were on it as it last existed on the battlefield.