They fill the deck with madness cards and use Anje to dig towards combos that involve using Worldgorger Dragon and Animate Dead or Necromancy to generate infinite mana
Since we're looking for a particular card, we're running a lot of tutors in place of card draw, since we actually don't want to draw our spirits, so cards like Illicit Shipment are perfect here
The easiest battles to flip, Invasion of Gobakhan and Invasion of Zendikar, each enter play with three defense counters
Cards with multiple card types are at a premium, so the deck is full of stuff like: Solemn SimulacrumSolemn Simulacrum Dryad ArborDryad Arbor Demonic CovenantDemonic Covenant Theres plenty of self-mill to fill your graveyard: Deadbridge ChantDeadbridge Chant Nyx WeaverNyx Weaver Crawling SensationCrawling Sensation You also have a couple ways to get those cards back, like ReanimateReanimate and Whip of ErebosWhip of Erebos
Since their release, Textured foils have been released in other sets like Dominaria United, with legendary creatures getting the treatment, and they returned in Commander Masters