I have no idea what deck it might contain, but it will likely cause a number of Modern staples to drop in value

Akawalli, the Seething Tower Blightreaper Thallid Blightsower Thallid Boneyard Mycodrax Brackish Trudge Broodrage Mycoid Cankerbloom Corpsejack Menace Corpsejack Menace Deathbloom Thallid Deathbonnet Hulk Deathbonnet Sprout Deathcap Marionette Deathspore Thallid Feral Thallid Fungal Behemoth Fungal Colossus Fungal Shambler Fungus Elemental Fungus Sliver Fungusaur Ghave, Guru of Spores Insidious Fungus Lichenthrope Mindbender Spores Mold Adder Mold Demon Mold Folk Mold Shambler Molderhulk Moldgraf Scavenger Mycoid Shepherd Mycoloth Myconid Spore Tender Pallid Mycoderm Placid Rottentail Psychotrope Thallid Rhizome Lurcher Rot Shambler Saurian Symbiote Savage Thallid Skullcap Snail Slimefoot and Squee Slimefoot, the Stowaway Slimy Piper Sowing Mycospawn Spore Crawler Spore Flower Sporecrown Thallid Sporemound Sporesower Thallid Sporoloth Ancient Sproutback Trudge Swarm Shambler Synapse Necromage Tendril of the Mycotyrant Thallid Thallid Devourer Thallid Germinator Thallid Omnivore Thallid Shell-Dweller Thallid Soothsayer The Mycotyrant Thorn Thallid Tukatongue Thallid Undercellar Myconid Undergrowth Scavenger Utopia Mycon Vitaspore Thallid Xavier Sal, Infested Captain Yavimaya Sapherd

Eldrazi Incursion Precon Commanders Eldrazi Incursion has two distinct commanders that pull the precon in different directions
Sounds like fun to me, but I could see that being overwhelming for a newbie
Its perfect for multiplayer games where you want to stay active and keep your opponents guessing
And for the collectors out there, prepare to be dazzled by showcase frames, extended art cards, and foil-etched treatments elevating the visuals of key cards