This is the Sherazin, Corpse Flower HS Rogue Card from the Journey to Un’Goro expansion due for release in April.
It’s a Rogue class minion and the card reads: Deathrattle: Go dormant. Play 4 cards in a turn to revive this minion.
You can get Sherazin, Corpse Flower by opening packs from the Journey to Un’Goro set.
