Goblin Razerunners is a rare Creature — Goblin Warrior card from Conflux (CON), collector number 64. Current market price: $0.19 (foil $0.40), TCGplayer market prices via Scryfall.
{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.