Beric Dondarrion

First strike
When Beric Dondarrion dies, return him to the battlefield under his owner's control at the beginning of the next end step.
"Lightning comes and goes and then is seen no more.
So too with men. Lord Beric's fire has gone out of this world, I fear. A grimmer shadow leads us in his
place." - Thoros of Myr to Brienne of Tarth