Cool Card Design of the Day
4/13/2016 - This art begged to have Protean Hydra's head-regeneration effect but I couldn't differentiate the card enough, so I found another execution.
The delayed trigger prevents it from attacking every turn—which may not be necessary on an eight mana rare—but it also prevents you from sacrificing it infinitely to the likes of Blood Bairn. If Dev was okay with that, I'd be happy to have it return immediately, tapped.
…and I just figured out a better solution: