711.1b A double-faced card's back face is indicated by the moon symbol in its upper left corner
This is generally a bad idea as you should be building your game 1 mana base with your optimal curve/color distribution in mind, which doesnt change just because youve suffered a bad bout of variance
Since you're going to attack with (almost) exclusively Assassins, each one will give the others a +1/+0 stat boost
The complaints were spurred by perceived discrepancies on the gauge, the bulbs, and various other bits of retro-tech bric-a-brac in the image
But still, its a soldier, so well see
He enters Innistrad with a decent set of abilities that allow some card advantage, protection, and an annoying emblem that forces your opponent to really strategize. Jace, Unraveler of Secrets is similar in some ways to Teferi, Hero of Dominaria