Toughness? Abzan players just perked up, and green with all of its fat-butted cards is taking notice. This is going to make for some very unfair fights, moreso than trading on the basis of power. This is basically a fight card that rewards you for picking defensive creatures. Having your 0/2 kill their 3/1 seems hilarious to me. Grim Contest indeed.
That said, this is a removal spell, and one that, based on the deck, could be in your favor quite a bit. At common, you likely get this late and if you're built for it, you might be very happy.