Theros: Beyond Death introduced new, mythical heroes rendered as elaborate constellations that spanned the full length of the card
If youre able to combine it with more defensive opportunities, or one that will increase your hand in a very short period of time, it can be well worth bringing out, but its unlikely to stay in play for long
The idea to use eldrazi came from an early playtest where Faerie Artisans created a copy of It That Betrays, to the owners dismay
Hand of Vecna Hurska Sweet-Tooth Ink-Eyes, Servant of Oni Avatar Karn's Sylex Lifestream's Blessing Maralen of the Mornsong Avatar My Genius Knows No Bounds Nourishing Shoal Phyrexian Processor Volcano Hellion Well of Lost Dreams
Now for the rest of the deck
Army of Allah can only get you so far, and the buff this card provides is needed for a deck that still struggles (even more so without the inclusion of Fallen Empires)