Alara Reborn Six-card Booster Pack has variants:
Explore this pack in Sealed.

Sheets

Sheet basic

At rate 1/20 (5.0%)
Forest
Forest
Forest
Forest
Island
Island
Island
Island
Mountain
Mountain
Mountain
Mountain
Plains
Plains
Plains
Plains
Swamp
Swamp
Swamp
Swamp

Sheet common

At rate 1/60 (1.67%)
Architects of Will
Arsenal Thresher
Bant Sojourners
Bant Sureblade
Brainbite
Breath of Malfegor
Captured Sunlight
Cerodon Yearling
Colossal Might
Crystallization
Deadshot Minotaur
Demonic Dread
Deny Reality
Esper Sojourners
Esper Stormblade
Ethercaste Knight
Etherium Abomination
Ethersworn Shieldmage
Fieldmist Borderpost
Firewild Borderpost
Glassdust Hulk
Godtracker of Jund
Gorger Wurm
Grixis Grimblade
Grixis Sojourners
Grizzled Leotau
Igneous Pouncer
Jhessian Zombies
Jund Hackblade
Jund Sojourners
Kathari Bomber
Leonin Armorguard
Magefire Wings
Mistvein Borderpost
Monstrous Carabid
Naya Hushblade
Naya Sojourners
Offering to Asha
Pale Recluse
Putrid Leech
Qasali Pridemage
Rhox Brute
Sanctum Plowbeast
Sangrite Backlash
Sewn-Eye Drake
Sigil of the Nayan Gods
Sigiled Behemoth
Singe-Mind Ogre
Soul Manipulation
Stormcaller's Boon
Talon Trooper
Terminate
Trace of Abundance
Valley Rannet
Vectis Dominator
Vedalken Ghoul
Veinfire Borderpost
Violent Outburst
Wildfield Borderpost
Winged Coatl

Sheet uncommon

At rate 1/40 (2.5%)
Anathemancer
Ardent Plea
Behemoth Sledge
Bituminous Blast
Bloodbraid Elf
Demonspine Whip
Double Negative
Dragon Appeasement
Drastic Revelation
Enlisted Wurm
Etherwrought Page
Flurry of Wings
Giant Ambush Beetle
Gloryscale Viashino
Illusory Demon
Intimidation Bolt
Kathari Remnant
Lorescale Coatl
Mage Slayer
Marisi's Twinclaws
Marrow Chomper
Mask of Riddles
Messenger Falcons
Mind Funeral
Morbid Bloom
Nulltread Gargantuan
Reborn Hope
Sanity Gnawers
Shield of the Righteous
Sigil Captain
Skyclaw Thrash
Slave of Bolas
Stun Sniper
Tainted Sigil
Thopter Foundry
Unbender Tine
Vengeful Rebirth
Vithian Renegades
Wall of Denial
Zealous Persecution

Sheet rare_mythic

At rate 1/40 (2.5%)
Aven Mimeomancer
Blitz Hellion
Cloven Casting
Dauntless Escort
Deathbringer Thoctar
Enigma Sphinx
Fight to the Death
Filigree Angel
Finest Hour
Glory of Warfare
Identity Crisis
Knight of New Alara
Knotvine Paladin
Lavalanche
Lich Lord of Unx
Lightning Reaver
Madrush Cyclops
Maelstrom Pulse
Mayael's Aria
Meddling Mage
Mycoid Shepherd
Necromancer's Covenant
Nemesis of Reason
Predatory Advantage
Retaliator Griffin
Sages of the Anima
Soulquake
Sovereigns of Lost Alara
Spellbound Dragon
Spellbreaker Behemoth
Thought Hemorrhage
Time Sieve
Unscythe, Killer of Kings
Vedalken Heretic
Wargate
At rate 1/80 (1.25%)
Defiler of Souls
Dragon Broodmother
Jenara, Asura of War
Karrthus, Tyrant of Jund
Lord of Extinction
Maelstrom Nexus
Sen Triplets
Sphinx of the Steel Wind
Thraximundar
Uril, the Miststalker