Trista, Herald of the Fel
Type: Ally
Cost: 4
Faction: Alliance
Race: Worgen
Attack: 5
Damage Type: Fire
Health: 2
Rules:
Empower Warlock: When this ally enters play, if you control another Warlock hero or ally, search your deck for a Pet or Demon ally, reveal it, and put it into your hand.
Set: Throne of the Tides (129)
Price: $0.17