Mirrodin Besieged Draft Booster has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 1/10 (10.0%)
Forest
Forest
Island
Island
Mountain
Mountain
Plains
Plains
Swamp
Swamp

Sheet common (color balanced)

At rate 1/60 (1.67%)
Ardent Recruit
Banishment Decree
Bladed Sentinel
Blightwidow
Blisterstick Shaman
Burn the Impure
Caustic Hound
Concussive Bolt
Copper Carapace
Crush
Divine Offering
Dross Ripper
Fangren Marauder
Flayer Husk
Flensermite
Frantic Salvage
Fuel for the Cause
Glissa's Courier
Gnathosaur
Gust-Skimmer
Hexplate Golem
Horrifying Revelation
Ichor Wellspring
Koth's Courier
Kuldotha Ringleader
Leonin Skyhunter
Loxodon Partisan
Master's Call
Mirran Mettle
Mirran Spy
Morbid Plunder
Myr Sire
Oculus
Ogre Resister
Phyresis
Phyrexian Digester
Phyrexian Rager
Pistus Strike
Priests of Norn
Quicksilver Geyser
Rally the Forces
Razorfield Rhino
Rot Wolf
Rusted Slasher
Scourge Servant
Serum Raker
Shriekhorn
Spin Engine
Spire Serpent
Spread the Sickness
Steel Sabotage
Tangle Hulk
Tangle Mantis
Tine Shrike
Training Drone
Turn the Tide
Unnatural Predation
Viridian Emissary
Virulent Wound
Vivisection

Sheet uncommon

At rate 1/40 (2.5%)
Accorder Paladin
Brass Squire
Choking Fumes
Core Prowler
Corrupted Conscience
Flesh-Eater Imp
Go for the Throat
Goblin Wardriver
Gore Vassal
Gruesome Encore
Into the Core
Kemba's Legion
Kuldotha Flamefiend
Lead the Stampede
Leonin Relic-Warder
Lumengrid Gargoyle
Melira's Keepers
Metallic Mastery
Mortarpod
Nested Ghoul
Neurok Commando
Peace Strider
Phyrexian Juggernaut
Pierce Strider
Piston Sledge
Plague Myr
Plaguemaw Beast
Quilled Slagwurm
Septic Rats
Signal Pest
Silverskin Armor
Skinwing
Sphere of the Suns
Spiraling Duelist
Strandwalker
Treasure Mage
Vedalken Anatomist
Vedalken Infuser
Viridian Claw
Viridian Corrupter

Sheet rare_mythic

At rate 1/40 (2.5%)
Black Sun's Zenith
Blue Sun's Zenith
Bonehoard
Contested War Zone
Creeping Corrosion
Cryptoplasm
Darksteel Plate
Decimator Web
Distant Memories
Galvanoth
Green Sun's Zenith
Hellkite Igniter
Inkmoth Nexus
Knowledge Pool
Magnetic Mine
Mirran Crusader
Mirrorworks
Mitotic Manipulation
Myr Turbine
Myr Welder
Phyrexian Crusader
Phyrexian Hydra
Phyrexian Rebirth
Phyrexian Revoker
Phyrexian Vatmother
Psychosis Crawler
Red Sun's Zenith
Sangromancer
Shimmer Myr
Slagstorm
Spine of Ish Sah
Thopter Assembly
Titan Forge
Victory's Herald
White Sun's Zenith
At rate 1/80 (1.25%)
Blightsteel Colossus
Consecrated Sphinx
Glissa, the Traitor
Hero of Bladehold
Hero of Oxid Ridge
Massacre Wurm
Praetor's Counsel
Sword of Feast and Famine
Tezzeret, Agent of Bolas
Thrun, the Last Troll

Sheet foil

At rate 3/350 (0.86%)
Ardent Recruit
Banishment Decree
Bladed Sentinel
Blightwidow
Blisterstick Shaman
Burn the Impure
Caustic Hound
Concussive Bolt
Copper Carapace
Crush
Divine Offering
Dross Ripper
Fangren Marauder
Flayer Husk
Flensermite
Forest
Forest
Frantic Salvage
Fuel for the Cause
Glissa's Courier
Gnathosaur
Gust-Skimmer
Hexplate Golem
Horrifying Revelation
Ichor Wellspring
Island
Island
Koth's Courier
Kuldotha Ringleader
Leonin Skyhunter
Loxodon Partisan
Master's Call
Mirran Mettle
Mirran Spy
Morbid Plunder
Mountain
Mountain
Myr Sire
Oculus
Ogre Resister
Phyresis
Phyrexian Digester
Phyrexian Rager
Pistus Strike
Plains
Plains
Priests of Norn
Quicksilver Geyser
Rally the Forces
Razorfield Rhino
Rot Wolf
Rusted Slasher
Scourge Servant
Serum Raker
Shriekhorn
Spin Engine
Spire Serpent
Spread the Sickness
Steel Sabotage
Swamp
Swamp
Tangle Hulk
Tangle Mantis
Tine Shrike
Training Drone
Turn the Tide
Unnatural Predation
Viridian Emissary
Virulent Wound
Vivisection
At rate 1/160 (0.63%)
Accorder Paladin
Brass Squire
Choking Fumes
Core Prowler
Corrupted Conscience
Flesh-Eater Imp
Go for the Throat
Goblin Wardriver
Gore Vassal
Gruesome Encore
Into the Core
Kemba's Legion
Kuldotha Flamefiend
Lead the Stampede
Leonin Relic-Warder
Lumengrid Gargoyle
Melira's Keepers
Metallic Mastery
Mortarpod
Nested Ghoul
Neurok Commando
Peace Strider
Phyrexian Juggernaut
Pierce Strider
Piston Sledge
Plague Myr
Plaguemaw Beast
Quilled Slagwurm
Septic Rats
Signal Pest
Silverskin Armor
Skinwing
Sphere of the Suns
Spiraling Duelist
Strandwalker
Treasure Mage
Vedalken Anatomist
Vedalken Infuser
Viridian Claw
Viridian Corrupter
At rate 3/800 (0.38%)
Black Sun's Zenith
Blue Sun's Zenith
Bonehoard
Contested War Zone
Creeping Corrosion
Cryptoplasm
Darksteel Plate
Decimator Web
Distant Memories
Galvanoth
Green Sun's Zenith
Hellkite Igniter
Inkmoth Nexus
Knowledge Pool
Magnetic Mine
Mirran Crusader
Mirrorworks
Mitotic Manipulation
Myr Turbine
Myr Welder
Phyrexian Crusader
Phyrexian Hydra
Phyrexian Rebirth
Phyrexian Revoker
Phyrexian Vatmother
Psychosis Crawler
Red Sun's Zenith
Sangromancer
Shimmer Myr
Slagstorm
Spine of Ish Sah
Thopter Assembly
Titan Forge
Victory's Herald
White Sun's Zenith
At rate 3/1600 (0.19%)
Blightsteel Colossus
Consecrated Sphinx
Glissa, the Traitor
Hero of Bladehold
Hero of Oxid Ridge
Massacre Wurm
Praetor's Counsel
Sword of Feast and Famine
Tezzeret, Agent of Bolas
Thrun, the Last Troll