March of the Machine Foil Promo Pack has no variants:
Explore this pack in Sealed.

Sheets

Sheet seasonal

At rate 1/40 (2.5%)
Ancient Imperiosaur
Archpriest of Shadows
Baral and Kari Zev
Bloated Processor
Bloodfeather Phoenix
Boon-Bringer Valkyrie
Breach the Multiverse
Chrome Host Seedshark
City on Fire
Complete the Circuit
Deeproot Wayfinder
Djeru and Hazoret
Doomskar Warrior
Drana and Linvala
Dusk Legion Duelist
Errant and Giada
Faerie Mastermind
Ghalta and Mavren
Glistening Dawn
Grafted Butcher
Guardian of Ghirapur
Hidetsugu and Kairi
Hoarding Broodlord
Inga and Esika
Into the Fire
Knight-Errant of Eos
Kogla and Yidaro
Nahiri's Warcrafting
Ozolith, the Shattered Spire
Pile On
Progenitor Exarch
Rampaging Raptor
Rankle and Torbran
See Double
Sunfall
Transcendent Message
Tribute to the World Tree
Voldaren Thrillseeker
Yargle and Multani
Zephyr Singer

Sheet curated

At rate 1/113 (0.88%)
Adarkar Wastes
Adeline, Resplendent Cathar
All Will Be One
Archangel Elspeth
Argentum Masticore
Atraxa, Grand Unifier
Augur of Autumn
Black Sun's Twilight
Blue Sun's Twilight
Bootleggers' Stash
Borborygmos and Fblthp
Boseiju, Who Endures
Brotherhood's End
Caves of Koilos
Chandra, Hope's Beacon
Cultivator Colossus
Dig Up
Domri, Anarch of Bolas
Draconic Destiny
Elesh Norn, Mother of Machines
Evolved Sleeper
Ezuri, Stalker of Spheres
Fauna Shaman
Fblthp, the Lost
Feather, the Redeemed
Fumigate
Gix's Command
Gix, Yawgmoth Praetor
Glissa Sunslayer
Glissa, Herald of Predation
Graaz, Unstoppable Juggernaut
Green Sun's Twilight
Haughty Djinn
Headless Rider
Heliod, Sun-Crowned
Hopeful Initiate
Hostile Negotiations
Hurkyl, Master Wizard
Jace, Wielder of Mysteries
Junji, the Midnight Sky
Karn, the Great Creator
Karplusan Forest
Karumonix, the Rat King
Kayla's Command
Kroxa and Kunoros
Kroxa, Titan of Death's Hunger
Ledger Shredder
Liliana of the Veil
Liliana, Dreadhorde General
Lukka, Coppercoat Outcast
Luxior, Giada's Gift
Magda, Brazen Outlaw
March of Otherworldly Light
Mechanized Warfare
Mirrex
Mishra's Command
Mishra's Foundry
Mishra, Tamer of Mak Fawa
Monastery Mentor
Nissa, Who Shakes the World
Omnath, Locus of All
Omnath, Locus of Rage
One with the Multiverse
Professional Face-Breaker
Quintorius, Loremaster
Realmbreaker, the Invasion Tree
Reckoner Bankbuster
Red Sun's Twilight
Serra Paragon
Sheoldred, the Apocalypse
Shivan Reef
Simian Simulacrum
Slobad, Iron Goblin
Sorin, Vengeful Bloodlord
Staff of Compleation
Steel Seraph
Sulfurous Springs
Sword of Forge and Frontier
Sword of Once and Future
Tamiyo, Collector of Tales
Teferi, Who Slows the Sunset
Tenacious Underdog
Thalia and The Gitrog Monster
The Cruelty of Gix
The Eternal Wanderer
The Filigree Sylex
The Meathook Massacre
The Monumental Facade
The Mycosynth Gardens
The Reality Chip
The Seedcore
The Temporal Anchor
The Wandering Emperor
Thrun, Breaker of Silence
Titania's Command
Torbran, Thane of Red Fell
Unctus, Grand Metatect
Unlicensed Hearse
Unnatural Growth
Urza's Command
Urza's Sylex
Urza, Prince of Kroog
Utter End
Vanquish the Horde
Venser, Corpse Puppet
Vivien, Champion of the Wilds
Void Rend
Welcoming Vampire
White Sun's Twilight
Wrenn and Realmbreaker
Yavimaya Coast
Zimone and Dina
Zurgo and Ojutai

Sheet dark_frame

At rate 1/5 (20.0%)
Botanical Brawler
Halo Forager
Kami of Whispered Hopes
Norn's Inquisitor
Scrappy Bruiser