Essentially, a card with Imprint demands that you exile another card--it could be from your hand, from play, or even from a graveyard--that card becomes "imprinted" onto the Imprint card, and then has an effect that depends on what you exiled
It only takes three defense counters to defeat, tying it for the least among the battles, which is also solid, and then the backside is fine, as a 4/4 that can make some extra mana
With some mana ramp like Invasion of Zendikar and removal to keep you alive like Beyond the Quiet, you should be able to crush your opponent with Atraxa
Boom Scholar, in particular, can reduce the cost of exhaust abilities from other permanents, further accelerating your game plan
When this creature dies, you may draw a card