Portal has no 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 (color balanced)

At rate 1/85 (1.18%)
Angelic Blessing
Armored Pegasus
Bog Imp
Bog Raiders
Border Guard
Breath of Life
Burning Cloak
Cloak of Feathers
Cloud Pirates
Coral Eel
Craven Giant
Craven Knight
Devoted Hero
Déjà Vu
Elite Cat Warrior
Elven Cache
Elvish Ranger
False Peace
Feral Shadow
Fire Snake
Fleet-Footed Monk
Foot Soldiers
Fruition
Giant Octopus
Giant Spider
Goblin Bully
Gorilla Warrior
Grizzly Bears
Hand of Death
Highland Giant
Hill Giant
Horned Turtle
Howling Fury
Hulking Goblin
Jungle Lion
Keen-Eyed Archers
Knight Errant
Lava Axe
Lizard Warrior
Merfolk of the Pearl Trident
Mind Knives
Mind Rot
Minotaur Warrior
Mobilize
Monstrous Growth
Muck Rats
Nature's Lore
Omen
Owl Familiar
Panther Warriors
Path of Peace
Python
Raging Cougar
Raging Goblin
Raging Minotaur
Raise Dead
Redwood Treefolk
Regal Unicorn
Rowan Treefolk
Sacred Knight
Sacred Nectar
Scorching Spear
Serpent Warrior
Skeletal Crocodile
Skeletal Snake
Snapping Drake
Sorcerous Sight
Soul Shred
Spined Wurm
Spitting Earth
Spotted Griffin
Stalking Tiger
Steadfastness
Stone Rain
Storm Crow
Symbol of Unsummoning
Tidal Surge
Time Ebb
Touch of Brilliance
Undying Beast
Vampiric Touch
Volcanic Hammer
Warrior's Charge
Willow Dryad
Wind Drake

Sheet uncommon

At rate 1/55 (1.82%)
Anaconda
Ardent Militia
Arrogant Vampire
Assassin's Blade
Baleful Stare
Bee Sting
Blaze
Bog Wraith
Boiling Seas
Bull Hippo
Charging Bandits
Charging Paladin
Cloud Spirit
Command of Unsummoning
Deep Wood
Deep-Sea Serpent
Defiant Stand
Desert Drake
Dry Spell
Fire Imp
Flashfires
Flux
Gravedigger
Hulking Cyclops
Ingenious Thief
Lava Flow
Man-o'-War
Moon Sprite
Mountain Goat
Mystic Denial
Natural Spring
Nature's Ruin
Needle Storm
Noxious Toad
Personal Tutor
Plant Elemental
Rain of Salt
Rain of Tears
Renewing Dawn
Scorching Winds
Seasoned Marshal
Starlight
Starlit Angel
Theft of Dreams
Untamed Wilds
Valorous Charge
Vampiric Feast
Venerable Monk
Vengeance
Virtue's Ruin
Wall of Granite
Wall of Swords
Whiptail Wurm
Winter's Grasp
Withering Gaze

Sheet rare

At rate 1/55 (1.82%)
Alabaster Dragon
Alluring Scent
Ancestral Memories
Archangel
Armageddon
Balance of Power
Blessed Reversal
Blinding Light
Capricious Sorcerer
Charging Rhino
Cloud Dragon
Cruel Bargain
Cruel Fate
Cruel Tutor
Devastation
Djinn of the Lamp
Dread Charge
Dread Reaper
Earthquake
Ebon Dragon
Endless Cockroaches
Exhaustion
Final Strike
Fire Dragon
Fire Tempest
Forked Lightning
Gift of Estates
Harsh Justice
Hurricane
King's Assassin
Last Chance
Mercenary Knight
Natural Order
Nature's Cloak
Phantom Warrior
Pillaging Horde
Primeval Force
Prosperity
Pyroclasm
Serpent Assassin
Spiritual Guardian
Stern Marshal
Summer Bloom
Sylvan Tutor
Taunt
Temporary Truce
Thing from the Deep
Thundering Wurm
Thundermare
Treetop Defense
Volcanic Dragon
Wicked Pact
Winds of Change
Wood Elves
Wrath of God