Rivals of Ixalan Arena Booster has no variants:
Explore this pack in Sealed.

Sheets

Sheet common (color balanced)

At rate 1/70 (1.43%)
Aggressive Urge
Bombard
Brazen Freebooter
Buccaneer's Bravado
Canal Monitor
Cleansing Ray
Colossal Dreadmaw
Crashing Tide
Dark Inquiry
Deadeye Rig-Hauler
Dinosaur Hunter
Divine Verdict
Dusk Charger
Dusk Legion Zealot
Evolving Wilds
Exultant Skymarcher
Fanatical Firebrand
Fathom Fleet Boarder
Frilled Deathspitter
Giltgrove Stalker
Gleaming Barrier
Goblin Trailblazer
Grasping Scoundrel
Gruesome Fate
Hardy Veteran
Hunt the Weak
Impale
Jade Bearer
Jadecraft Artisan
Jungleborn Pioneer
Kitesail Corsair
Knight of the Stampede
Legion Conquistador
Luminous Bonds
Martyr of Dusk
Mist-Cloaked Herald
Moment of Craving
Moment of Triumph
Mutiny
Naturalize
Negate
Orazca Frillback
Orazca Raptor
Orazca Relic
Overgrown Armasaur
Plummet
Raptor Companion
Recover
River Darter
Sailor of Means
Sanguine Glorifier
Sea Legs
Secrets of the Golden City
Shatter
Snubhorn Sentry
Soul of the Rapids
Spire Winder
Squire's Devotion
Stampeding Horncrest
Strider Harness
Sun Sentinel
Sun-Collared Raptor
Sun-Crested Pterodon
Swaggering Corsair
Sworn Guardian
Tilonalli's Crown
Traveler's Amulet
Vampire Revenant
Voracious Vampire
Waterknot

Sheet uncommon

At rate 1/60 (1.67%)
Aquatic Incursion
Arterial Flow
Atzocan Seer
Baffling End
Blazing Hope
Cacophodon
Charging Tuskodon
Cherished Hatchling
Crested Herdcaller
Curious Obsession
Daring Buccaneer
Deadeye Brawler
Dire Fleet Neckbreaker
Enter the Unknown
Everdawn Champion
Expel from Orazca
Famished Paladin
Flood of Recollection
Forerunner of the Coalition
Forerunner of the Empire
Forerunner of the Heralds
Forerunner of the Legion
Forsaken Sanctuary
Foul Orchard
Golden Demise
Highland Lake
Hornswoggle
Imperial Ceratops
Jungle Creeper
Legion Lieutenant
Majestic Heliopterus
Mausoleum Harpy
Merfolk Mistbinder
Needletooth Raptor
Oathsworn Vampire
Pirate's Pillage
Pitiless Plunderer
Pride of Conquerors
Raging Regisaur
Ravenous Chupacabra
Reaver Ambush
Reckless Rage
Relentless Raptor
Resplendent Griffin
Riverwise Augur
Sadistic Skymarcher
See Red
Shake the Foundations
Silvergill Adept
Siren Reaver
Skymarcher Aspirant
Slippery Scoundrel
Stone Quarry
Storm Fleet Sprinter
Storm Fleet Swashbuckler
Strength of the Pack
Swift Warden
Thrashing Brontodon
Thunderherd Migration
Woodland Stream

Sheet rare_mythic

At rate 2/109 (1.83%)
Admiral's Order
Arch of Orazca
Awakened Amalgam
Bishop of Binding
Blood Sun
Brass's Bounty
Captain's Hook
Champion of Dusk
Crafty Cutpurse
Dead Man's Chest
Deeproot Elite
Dire Fleet Daredevil
Dire Fleet Poisoner
Etali, Primal Storm
Form of the Dinosaur
Ghalta, Primal Hunger
Golden Guardian
Gold-Forge Garrison
Hadana's Climb
Winged Temple of Orazca
Induced Amnesia
Jadelight Ranger
Journey to Eternity
Atzal, Cave of Eternity
Kumena's Awakening
Mastermind's Acquisition
Nezahal, Primal Tide
Paladin of Atonement
Path of Discovery
Path of Mettle
Metzali, Tower of Triumph
Profane Procession
Tomb of the Dusk Rose
Protean Raider
Radiant Destiny
Release to the Wind
Seafloor Oracle
Siegehorn Ceratops
Silent Gravestone
Silverclad Ferocidons
Slaughter the Strong
Sphinx's Decree
Storm the Vault
Vault of Catlacan
Temple Altisaur
Tendershoot Dryad
Tetzimoc, Primal Death
Tilonalli's Summoner
Tomb Robber
Vona's Hunger
Warkite Marauder
Wayward Swordtooth
World Shaper
Zetalpa, Primal Dawn
At rate 1/109 (0.92%)
Angrath, the Flame-Chained
Azor's Gateway
Sanctum of the Sun
Azor, the Lawbringer
Elenda, the Dusk Rose
Huatli, Radiant Champion
Kumena, Tyrant of Orazca
Polyraptor
Rekindling Phoenix
The Immortal Sun
Timestream Navigator
Trapjaw Tyrant
Twilight Prophet
Zacama, Primal Calamity