Goblin Goliath is a mythic Creature — Goblin Mutant card from Game Night (GNT), collector number 4. Current market price: $1.69, TCGplayer market prices via Scryfall.
When this creature enters, create a number of 1/1 red Goblin creature tokens equal to the number of opponents you have. {3}{R}, {T}: If a source you control would deal damage to an opponent this turn, it deals double that damage to that player instead.