Diablo - Devoted Herald is an Enchanted Emerald Character from Ursula's Return #211. Cost 3.
Shift: Discard an action card (You may discard an action card to play this on top of one of your characters named Diablo.) %Evasive (Only characters with Evasive can challenge this character.) %Circle Far and Wide — During each opponent's turn, whenever they draw a card while this character is exerted, you may draw a card.