It's got an aoe stun ability. It's low health makes it hard to pull off in PvP though.
Skins
Flaming Demon
"P2P & F2P Prop card , then no more for P2P"
P2P & F2P: "Prophetic Cards of Grim Wasteland" .
Now it's available at the Rating PvP vendor for Symbol of Blood.
F2P drops them in their Free Trader's Tickets.