War of the Spark Prerelease Promo Pack has no variants:
Explore this pack in Sealed.

Sheets

Sheet prerelease_promo

At rate 1/46 (2.17%)
Awakening of Vitu-Ghazi
Bioessence Hydra
Blast Zone
Bolas's Citadel
Casualties of War
Command the Dreadhorde
Commence the Endgame
Deliver Unto Evil
Dreadhorde Arcanist
Dreadhorde Butcher
Dreadhorde Invasion
Enter the God-Eternals
Fblthp, the Lost
Feather, the Redeemed
Ignite the Beacon
Karn's Bastion
Krenko, Tin Street Kingpin
Living Twister
Massacre Girl
Mizzium Tank
Mobilized District
Narset's Reversal
Neheb, Dreadhorde Champion
Oath of Kaya
Parhelion II
Planewide Celebration
Ravnica at War
Role Reversal
Silent Submersible
Single Combat
Solar Blaze
Soul Diviner
Spark Double
Storrev, Devkarin Lich
The Elderspell
Time Wipe
Tolsimir, Friend to Wolves
Tomik, Distinguished Advokist
Vivien's Arkbow
Widespread Brutality
At rate 1/92 (1.09%)
Finale of Devastation
Finale of Eternity
Finale of Glory
Finale of Promise
Finale of Revelation
God-Eternal Bontu
God-Eternal Kefnet
God-Eternal Oketra
God-Eternal Rhonas
Ilharg, the Raze-Boar
Niv-Mizzet Reborn
Roalesk, Apex Hybrid

Sheet prerelease_pw

At rate 2/109 (1.83%)
Angrath, Captain of Chaos
Angrath, Captain of Chaos
Arlinn, Voice of the Pack
Arlinn, Voice of the Pack
Ashiok, Dream Render
Ashiok, Dream Render
Davriel, Rogue Shadowmage
Davriel, Rogue Shadowmage
Dovin, Hand of Control
Dovin, Hand of Control
Huatli, the Sun's Heart
Huatli, the Sun's Heart
Jaya, Venerated Firemage
Jaya, Venerated Firemage
Jiang Yanggu, Wildcrafter
Jiang Yanggu, Wildcrafter
Kasmina, Enigmatic Mentor
Kasmina, Enigmatic Mentor
Kaya, Bane of the Dead
Kaya, Bane of the Dead
Kiora, Behemoth Beckoner
Kiora, Behemoth Beckoner
Nahiri, Storm of Stone
Nahiri, Storm of Stone
Narset, Parter of Veils
Narset, Parter of Veils
Ob Nixilis, the Hate-Twisted
Ob Nixilis, the Hate-Twisted
Saheeli, Sublime Artificer
Saheeli, Sublime Artificer
Samut, Tyrant Smasher
Samut, Tyrant Smasher
Teyo, the Shieldmage
Teyo, the Shieldmage
The Wanderer
The Wanderer
Tibalt, Rakish Instigator
Tibalt, Rakish Instigator
Vraska, Swarm's Eminence
Vraska, Swarm's Eminence
At rate 1/109 (0.92%)
Ajani, the Greathearted
Ajani, the Greathearted
Chandra, Fire Artisan
Chandra, Fire Artisan
Domri, Anarch of Bolas
Domri, Anarch of Bolas
Jace, Wielder of Mysteries
Jace, Wielder of Mysteries
Karn, the Great Creator
Karn, the Great Creator
Nissa, Who Shakes the World
Nissa, Who Shakes the World
Ral, Storm Conduit
Ral, Storm Conduit
Sarkhan the Masterless
Sarkhan the Masterless
Sorin, Vengeful Bloodlord
Sorin, Vengeful Bloodlord
Tamiyo, Collector of Tales
Tamiyo, Collector of Tales
Teferi, Time Raveler
Teferi, Time Raveler
Ugin, the Ineffable
Ugin, the Ineffable
Vivien, Champion of the Wilds
Vivien, Champion of the Wilds
At rate 1/218 (0.46%)
Gideon Blackblade
Gideon Blackblade
Liliana, Dreadhorde General
Liliana, Dreadhorde General
Nicol Bolas, Dragon-God
Nicol Bolas, Dragon-God