Eternal Servitude is a Rare Priest card in Hearthstone's Knights of the Frozen Throne expansion. It's a 4 Mana spell that allows you to Discover a friendly minion that has died during the game. That minion will then be summoned onto the board.
Head back to our Knights of the Frozen Throne guide for everything else you could possibly need to know about Hearthstone's sixth expansion!
We will add official artwork for this card as soon as it is revealed by Blizzard