Commander Masters Collector Sample Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet foil_common_uncommon_showcase

At rate 1/21 (4.76%)
All That Glitters
Command Tower
Commander's Sphere
Counterspell
Dread Return
Elvish Mystic
Faithless Looting
Frantic Search
Generous Gift
Kodama's Reach
Nadier's Nightblade
Path of Ancestry
At rate 1/42 (2.38%)
Arcane Signet
Darksteel Mutation
Exsanguinate
Fact or Fiction
Fellwar Stone
Kemba, Kha Regent
Myriad Landscape
Path to Exile
Reality Shift
Reliquary Tower
Return to Dust
Shirei, Shizo's Caretaker
Slimefoot, the Stowaway
Sol Ring
Storm-Kiln Artist
Tatyova, Benthic Druid
Thran Dynamo
Vandalblast

Sheet rare_mythic_showcase

At rate 2/149 (1.34%)
Abstruse Archaic
Arachnogenesis
Azami, Lady of Scrolls
Azusa, Lost but Seeking
Bloodchief Ascension
Boon of the Spirit Realm
Cacophony Unleashed
Calamity of the Titans
Capricious Sliver
Champion's Helm
Composer of Spring
Darksteel Monolith
Deadly Rollick
Deflecting Swat
Demon of Fate's Design
Descendants' Fury
Desecrate Reality
Fierce Guardianship
Flawless Maneuver
Flayer of Loyalties
For the Ancestors
Gatewatch Beacon
Ghoulish Impetus
Gisela, Blade of Goldnight
Grand Abolisher
Grenzo, Havoc Raiser
Guff Rewrites History
Hatchery Sliver
Jaya's Phoenix
Kindred Dominance
Kykar, Wind's Fury
Lazotep Sliver
Maelstrom Wanderer
Magus of the Wheel
Meren of Clan Nel Toth
Nyxborn Behemoth
Obscuring Haze
Ohran Frostfang
Onakke Oathkeeper
Ondu Spiritdancer
Personal Tutor
Puresteel Paladin
Regal Behemoth
Regal Sliver
Rejuvenating Springs
Rise of the Eldrazi
Skittering Cicada
Sparkshaper Visionary
Spectator Seating
Steelshaper's Gift
Talrand, Sky Summoner
Taunting Sliver
Teysa Karlov
Titan of Littjara
Tooth and Nail
Training Center
Treasure Nabber
Ugin's Mastery
Undergrowth Stadium
Vault of Champions
Yuriko, the Tiger's Shadow
Zacama, Primal Calamity
At rate 1/149 (0.67%)
Anikthea, Hand of Erebos
Balefire Dragon
Demonic Tutor
Extraplanar Lens
Finale of Devastation
Grave Pact
Insurrection
Jeweled Lotus
Kozilek, the Great Distortion
Leori, Sparktouched Hunter
Mikaeus, the Unhallowed
Morophon, the Boundless
Narci, Fable Singer
Neheb, the Eternal
Omarthis, Ghostfire Initiate
Omnath, Locus of Mana
Rukarumel, Biologist
Selvala, Heart of the Wilds
Sliver Gravemother
Smothering Tithe
Spellseeker
The Ur-Dragon
Ulamog, the Ceaseless Hunger
Urza, Lord High Artificer
Zhulodok, Void Gorger

Sheet foil_rare_mythic_showcase

At rate 2/149 (1.34%)
Abstruse Archaic
Arachnogenesis
Azami, Lady of Scrolls
Azusa, Lost but Seeking
Bloodchief Ascension
Boon of the Spirit Realm
Cacophony Unleashed
Calamity of the Titans
Capricious Sliver
Champion's Helm
Composer of Spring
Darksteel Monolith
Deadly Rollick
Deflecting Swat
Demon of Fate's Design
Descendants' Fury
Desecrate Reality
Fierce Guardianship
Flawless Maneuver
Flayer of Loyalties
For the Ancestors
Gatewatch Beacon
Ghoulish Impetus
Gisela, Blade of Goldnight
Grand Abolisher
Grenzo, Havoc Raiser
Guff Rewrites History
Hatchery Sliver
Jaya's Phoenix
Kindred Dominance
Kykar, Wind's Fury
Lazotep Sliver
Maelstrom Wanderer
Magus of the Wheel
Meren of Clan Nel Toth
Nyxborn Behemoth
Obscuring Haze
Ohran Frostfang
Onakke Oathkeeper
Ondu Spiritdancer
Personal Tutor
Puresteel Paladin
Regal Behemoth
Regal Sliver
Rejuvenating Springs
Rise of the Eldrazi
Skittering Cicada
Sparkshaper Visionary
Spectator Seating
Steelshaper's Gift
Talrand, Sky Summoner
Taunting Sliver
Teysa Karlov
Titan of Littjara
Tooth and Nail
Training Center
Treasure Nabber
Ugin's Mastery
Undergrowth Stadium
Vault of Champions
Yuriko, the Tiger's Shadow
Zacama, Primal Calamity
At rate 1/149 (0.67%)
Anikthea, Hand of Erebos
Balefire Dragon
Demonic Tutor
Extraplanar Lens
Finale of Devastation
Grave Pact
Insurrection
Jeweled Lotus
Kozilek, the Great Distortion
Leori, Sparktouched Hunter
Mikaeus, the Unhallowed
Morophon, the Boundless
Narci, Fable Singer
Neheb, the Eternal
Omarthis, Ghostfire Initiate
Omnath, Locus of Mana
Rukarumel, Biologist
Selvala, Heart of the Wilds
Sliver Gravemother
Smothering Tithe
Spellseeker
The Ur-Dragon
Ulamog, the Ceaseless Hunger
Urza, Lord High Artificer
Zhulodok, Void Gorger