This is the New Hunter Card Kindly Grandmother being released with the adventure One Night in Karazhan. It’s a strong card that will see play for sure and has a good deathrattle.
Dropping a 3/2 Big Bad Wolf when killed means your opponent will not want to willingly kill it. This gives you lots of options of how to play this card.
The Hunter Class has needed a strong 2 drop that isn’t a 3/2 like the Big Toad, or the King’s Elekk. This card has synergy with N’Zoth, and when taunted with Houndmaster offers even better value for just 2 mana.
Expect to see this card at least being experimented with a lot as soon as it’s released. It will probably become a staple in some builds.