Urza's Saga Draft Booster has no variants:
Explore this pack in Sealed.

Sheets

Sheet common (color balanced)

At rate 1/110 (0.91%)
Acridian
Angelic Page
Annul
Arc Lightning
Argothian Swine
Befoul
Blanchwood Treefolk
Blood Vassal
Bog Raiders
Bravado
Breach
Brilliant Halo
Cackling Fiend
Carrion Beetles
Catalog
Cave Tiger
Cloak of Mists
Congregate
Coral Merfolk
Corrupt
Curfew
Dark Ritual
Despondency
Disciple of Grace
Disciple of Law
Disenchant
Disruptive Student
Drifting Meadow
Dromosaur
Duress
Elvish Herder
Elvish Lyrist
Exhume
Expunge
Falter
Fertile Ground
Fiery Mantle
Fortitude
Gaea's Bounty
Goblin Matron
Goblin Patrol
Goblin Raider
Goblin Spelunkers
Goblin War Buggy
Gorilla Warrior
Headlong Rush
Healing Salve
Heat Ray
Hermetic Study
Hidden Spider
Hollow Dogs
Horseshoe Crab
Hush
Launch
Lay Waste
Looming Shade
Lull
Monk Realist
Opal Caryatid
Opal Gargoyle
Pacifism
Path of Peace
Pegasus Charger
Pendrell Drake
Pendrell Flux
Pestilence
Phyrexian Ghoul
Polluted Mire
Pouncing Jaguar
Power Sink
Power Taint
Priest of Titania
Ravenous Skirge
Raze
Reflexes
Rejuvenate
Remote Isle
Rescind
Retromancer
Rewind
Rune of Protection: Black
Rune of Protection: Blue
Rune of Protection: Green
Rune of Protection: Red
Rune of Protection: White
Sanctum Custodian
Sandbar Merfolk
Scrap
Serra Zealot
Shower of Sparks
Sicken
Silent Attendant
Skittering Skirge
Slippery Karst
Smoldering Crater
Spire Owl
Symbiosis
Tolarian Winds
Treetop Rangers
Unnerve
Unworthy Dead
Veil of Birds
Veiled Serpent
Venomous Fangs
Viashino Outrider
Viashino Runner
Viashino Weaponsmith
Wild Dogs
Winding Wurm
Wizard Mentor

Sheet uncommon

At rate 1/110 (0.91%)
Absolute Grace
Absolute Law
Academy Researchers
Acidic Soil
Albino Troll
Anaconda
Arcane Laboratory
Argothian Elder
Bereavement
Blanchwood Armor
Blasted Landscape
Bull Hippo
Carpet of Flowers
Cathodion
Claws of Gix
Clear
Confiscate
Cradle Guard
Crazed Skirge
Crosswinds
Crystal Chimes
Defensive Formation
Destructive Urge
Diabolic Servitude
Disorder
Douse
Dragon Blood
Enchantment Alteration
Endoskeleton
Exhaustion
Fecundity
Fire Ants
Flesh Reaver
Fog Bank
Gaea's Embrace
Goblin Cadets
Goblin Lackey
Goblin Offensive
Guma
Hawkeater Moth
Hibernation
Hidden Ancients
Hidden Guerrillas
Hopping Automaton
Humble
Jagged Lightning
Lilting Refrain
Lingering Mirage
Mana Leech
Meltdown
Mobile Fort
Monk Idealist
No Rest for the Wicked
Opal Acrolith
Order of Yawgmoth
Outmaneuver
Parasitic Bond
Peregrine Drake
Pit Trap
Planar Void
Presence of the Master
Priest of Gix
Rain of Filth
Rain of Salt
Reclusive Wight
Redeem
Retaliation
Rune of Protection: Artifacts
Sanctum Guardian
Sandbar Serpent
Sanguine Guard
Scald
Seasoned Marshal
Serra's Embrace
Serra's Hymn
Shimmering Barrier
Shiv's Embrace
Shivan Raptor
Skirge Familiar
Songstitcher
Spined Fluke
Spreading Algae
Steam Blast
Stern Proctor
Telepathy
Thran Turbine
Thundering Giant
Titania's Boon
Titania's Chosen
Torch Song
Treefolk Seedlings
Turnabout
Urza's Armor
Vampiric Embrace
Veiled Apparition
Veiled Sentry
Victimize
Vile Requiem
Voice of Grace
Voice of Law
Voltaic Key
Vug Lizard
Wall of Junk
War Dance
Waylay
Windfall
Wirecat
Worn Powerstone
Yawgmoth's Edict
Zephid's Embrace

Sheet rare

At rate 1/110 (0.91%)
Abundance
Abyssal Horror
Angelic Chorus
Antagonism
Argothian Enchantress
Argothian Wurm
Attunement
Back to Basics
Barrin's Codex
Barrin, Master Wizard
Bedlam
Brand
Bulwark
Catastrophe
Child of Gaea
Chimeric Staff
Citanul Centaurs
Citanul Flute
Citanul Hierophants
Contamination
Copper Gnomes
Crater Hellion
Dark Hatchling
Darkest Hour
Discordant Dirge
Drifting Djinn
Eastern Paladin
Electryte
Elite Archers
Endless Wurm
Energy Field
Exploration
Faith Healer
Fault Line
Fluctuator
Gaea's Cradle
Gamble
Gilded Drake
Glorious Anthem
Grafted Skullcap
Great Whale
Greater Good
Greener Pastures
Herald of Serra
Hidden Herd
Hidden Predators
Hidden Stag
Ill-Gotten Gains
Imaginary Pet
Intrepid Hero
Karn, Silver Golem
Lifeline
Lightning Dragon
Lotus Blossom
Lurking Evil
Metrognome
Midsummer Revel
Mishra's Helix
Morphling
Noetic Scales
Okk
Opal Archangel
Opal Titan
Oppression
Pariah
Persecute
Phyrexian Colossus
Phyrexian Processor
Phyrexian Tower
Planar Birth
Purging Scythe
Recantation
Remembrance
Reprocess
Rumbling Crescendo
Rune of Protection: Lands
Scoria Wurm
Serra Avatar
Serra's Liturgy
Serra's Sanctum
Shivan Gorge
Shivan Hellkite
Show and Tell
Sleeper Agent
Smokestack
Sneak Attack
Somnophore
Soul Sculptor
Sporogenesis
Stroke of Genius
Sulfuric Vapors
Sunder
Tainted Aether
Temporal Aperture
Thran Quarry
Time Spiral
Tolarian Academy
Umbilicus
Vebulid
Veiled Crocodile
Vernal Bloom
Viashino Sandswimmer
Western Paladin
Whetstone
Whirlwind
Wildfire
Witch Engine
Worship
Yawgmoth's Will
Zephid