The Hog rider is a card unlocked from the spell valley (arena 5)

The Hog Rider is a Rare card that is unlocked from the Builder's Workshop (Arena 5). It spawns a fast, single-target, building-targeting, melee, ground troop with high hitpoints and high damage. He is able to jump over the river. He appears as a man with brown eyebrows, a beard, a mohawk, and a golden body piercing in his left ear who is riding a hog. A Hog Rider card costs 4 Elixir to deploy.

The Hog rider is a card unlocked from the spell valley (arena 5)