The contents of each deck is listed below with notes about cards that hold significant secondary market value (*$10 or more based on TCGPlayer market value at time of this article's publication):
Allied Fires
Main Deck:
3 Sarkhan the Masterless, 1 Ugin, the Ineffable, 3 Kasmina, Enigmatic Mentor, 4 Narset, Parter of Veils, 2 Saheeli, Sublime Artificer, 1 Kenrith, the Returned King, 2 Fae of Wishes, 3 Deafening Clarion, 2 Drawn from Dreams, 2 Time Wipe, 4 Fires of Invention, 2 Banishing Light, 4 Omen of the Sea, 1 Steam Vents* (Market Price $12.89), 1 Temple of Enlightenment, 1 Temple of Epiphany, 1 Temple of Triumph, 4 Interplanar Beacon, 3 Swiftwater Cliffs, 3 Tranquil Cove, 4 Wind-Scarred Crag, 5 Island, 2 Mountain, 2 Plains
Sideboard:
1 Sarkhan the Masterless, 1 Time Wipe, 1 Mass Manipulation, 1 Ashiok, Dream Render, 2 Devout Decree, 1 Dovin, Hand of Control, 1 Dovin's Veto, 2 Fry, 2 Revoke Existence, 3 Thirst for Meaning
Final Adventure
Main Deck:
1 Vraska, Golgari Queen, 4 Edgewall Innkeeper, 2 Blacklance Paragon, 2 Knight of the Ebon Legion, 4 Lovestruck Beast, 2 Midnight Reaper, 2 Murderous Rider, 4 Foulmire Knight, 4 Order of Midnight, 4 Smitten Swordmaster, 2 Find // Finality, 2 Disfigure, 4 Lucky Clover, 2 Castle Locthwain, 1 Fabled Passage* (Market Price: $19.22), 2 Temple of Malady, 3 Jungle Hollow, 7 Forest, 8 Swamp
Sideboard:
2 Massacre Girl, 1 Cling to Dust, 4 Duress, 2 Kraul Harpooner, 4 Noxious Grasp, 2 Thrashing Brontodon
Main Deck:
3 Chandra, Acolyte of Flame, 4 Bonecrusher Giant, 4 Fervent Champion, 4 Runaway Steam-Kin, 4 Torbran, Thane of Red Fell, 4 Rimrock Knight, 4 Scorch Spitter, 3 Tin Street Dodger, 4 Light Up the Stage, 1 Embercleave* (Market Price: $23.12), 4 Cavalcade of Calamity, 3 Castle Embereth, 18 Mountain
Sideboard:
3 Experimental Frenzy, 3 Satyr's Cunning, 4 Shock, 3 Slaying Fire, 2 Tibalt, Rakish Instigator
Flash of Ferocity
Main Deck:
1 Brazen Borrower* (Market Price: $20.65), 4 Nightpack Ambusher, 1 Wavebreak Hippocamp, 4 Wildborn Preserver, 4 Brineborn Cutthroat, 4 Frilled Mystic, 4 Spectral Sailor, 2 Thassa's Intervention, 4 Opt, 4 Quench, 2 Sinister Sabotage, 2 Unsummon, 2 Castle Vantress, 1 Fabled Passage* (Market Price: $19.22), 2 Temple of Mystery, 3 Thornwood Falls, 8 Forest, 8 Island
Sideboard:
3 Shifting Ceratops, 3 Aether Gust, 2 Disdainful Stroke, 2 Mystical Dispute, 2 Negate, 3 Threnody Singer
Wizards of the Coast also unveiled product line details for Ikoria: Lair of Behemoths which is set to release on April 24, 2020 (see "Details Revealed For 'Magic: The Gathering' 'Ikoria: Lair of Behemoths' Product Line").