mtg tarkir dragonstorm cards The 41 Best in Tarkir: Ranked Until end of turn Art Card 16: Equilibrium Adept

This doesn't target the player or permanent it will enchant, so an opponent's permanent with hexproof may be chosen this way

As this presumably takes place after the second Story Spotlight in which renegade leader (and Chandra's long-lost mother) Pia Nalaar surrenders herself into captivity, it can be assumed that Nissa and Chandra have been captured as a result of trying to free Pia

Then, you draw a card for each counter on it when it enters the battlefield, all but guaranteeing you get to refill your hand or even draw extra cards if you can load it up with enough counters

Not to mention you should obviously be playing it in a deck that revolves around sacrifices and Treasures for peak profit