Firebrand is naff, you have no spells you want to fork, don't play her, you would get more out of a Spikeshot Goblin
Table of Contents show What Are Creature Tutors in MTG
A common flaw in Captain Howler decks is an over-reliance on wheels
Sauron, The Lidless Eye Sauron, the Lidless Eye is a five-drop, Rakdos-colored version of the Tolkien villain, a 4/4 that neatly but bluntly expresses both of its colors with two different abilities
Theres a good chance thats not worth doing in Deaths Shadow specifically, because we also draw Deaths Shadow itself less often if we make the deck bigger, and Deaths Shadow is much better than the other spells wed be adding
There are also Eldrazi versions of some familiar creatures, like these Eldrazified Mulldrifter and Siege-Gang Commander