Gut, Bestial Fanatic is a uncommon Legendary Creature — Goblin Shaman card from Alchemy Horizons: Baldur's Gate (HBG), collector number 13g.
When this creature specializes, create a token that's a copy of a creature card exiled with this creature, except it's 5/5 and has trample and haste. Sacrifice it at the beginning of your next end step.