Krenko, Mob Boss is a rare Legendary Creature — Goblin Warrior card from Ravnica Remastered (RVR), collector number 114. Current market price: $3.53 (foil $4.65), TCGplayer market prices via Scryfall.
{T}: Create X 1/1 red Goblin creature tokens, where X is the number of Goblins you control.