Im hoping that Im wrong about this, because there are so many great cards here with original concept art and moments captured directly from the games themselves
FromTheShire: Really really nice for Clerics, and nice that it buffs itself up as well so you can actually be swinging with this and have at least 1 way to gain life at all times
A white-blue-black that costs four total mana, hes a 3/3 with incredible abilities for being that mana-cheap, including First Strike, vigilance, AND menace
You can find all the links you need to buy booster packs, starter sets and more for Into the Inklands, Rise of the Floodborn and The First Chapter below
In the case of Keruga, the companion requirement is that your starting deck contains only cards with a mana value of three or greater and lands