I think this effect is more interesting than it might seem at first. Consider its interaction with:
ParadoxGravity ShieldAdrenalineNightfall/EclipseImmaterial/burrowed creaturesScorpions + Momentum
It is powerful in combination with many shields, but if a deck has no CC or PC then perhaps it deserves to get shut down.
It can be used to tweak many creatures into the sweat spot for Adrenaline, or out of the sweat spot for Adrenaline (e.g. 1/1 creature + Blessing + Adrenaline is much better with this in play)
It is probably not quite strong enough to make it into RoL/Hope because although it gives the RoLs a little more toughness, it isn't quite strong enough to serve as beatdown against any shield.