Zul Ashur has two abilities, one is a solid ward effect, one that forces your opponent to lose two life if they want to target her with a spell or ability, which isn't too bad but pretty easy to work around
For example, if you want to play the Boros Vehicles deck, simply mix together the White Core section and the Boros section for a full 100-card deck led by Depala, Pilot Exemplar
Through pinging for just one or two damage each turn, you end up with a fistful of cards and enough life to survive being hit back
The umbras are auras that give different keywords and pumps depending on the color, and totem armor
Naturally, the earlier printings are the most valuable
She soon discovered that she wasn't alone: the Boilerbilges was teeming with other toys and dolls, all similarly damaged by frightened owners, and all just as hungry for revenge on the ones they had previously loved