When Richard Thomas initially received the art direction, he incorrectly assumed a lemure was the same thing as a lemur and not an old D&D creature, the lemure a ghost with glassy wings
"OP14-009 Trafalgar Law" also allows you to swap its power with your Leader's by trashing 2 cards when your opponent attacks
If you challenge something and manage to banish it, you get a free character on the board
On a more serious note, a three mana Anger of the Gods effect is usually really great in Standard, and this one can snipe lands that have been Earthbended and of course the problem land of the moment, Ba Sing Se
Each character has skills that match their fighting style, with rivals like Ryu, Ken, Blanka, Chun-Li and E
But once we hit those key components, we start allowing ourselves some wiggle room to prioritize things that are cool outside knowledge of the property