I put here the "maybeboard" section to clean the decklist and make it more readable. These are cards that I'm testing/I tossed for better options/I can't afford/don't fit my playstyle/could be good but I can't find something to remove for them/may be an interesting choice for those players who want to take a different approach to their coin flip deck.
Suggestions are welcome!
Maybeboard List
Creature: Drift of Phantasms, Imperial Recruiter, Goblin Archaeologist, Gilded Drake, Psychosis Crawler, Clever Impersonator, Glint-Horn Buccaneer, Spellseeker, Tidal Barracuda, Thassa's Oracle, Thieving Skydiver, Breeches, the Blastmaker
Planeswalker: Tezzeret the Seeker
Sorcery: Personal Tutor, Transmute Artifact, Reshape, Solve the Equation, Energy Tap, Expropriate, Seize the Day, Fury of the Horde, Last Chance, Warrior's Oath, Alchemist's Gambit, Jeska's Will, Seize the Spotlight, Irenicus's Vile Duplication
Instant: Long-Term Plans, Muddle the Mixture, Mystical Tutor, Whir of Invention, Puppet's Verdict, Fighting Chance, Pyroblast, Red Elemental Blast, Radiate, Fatal Frenzy, False Orders, Expedite, Brute Strength, Lunar Frenzy, Stolen Vitality, Soul's Fire, Reset, Sudden Substitution, Stifle, Trickbind, Narset's Reversal, Negate, Arcane Denial, Delay, Disallow, Force of Negation, Tale's End, Prismari Command, An Offer You Can't Refuse, Furia Mostruosa, Strix Serenade, Invert Polarity
Enchantment: Goblin Bomb, Impulsive Maneuvers, Mystic Remora, Blood Moon, Leyline of Anticipation, Aggravated Assault, Wizard Class, Flame Blitz, Search for Azcanta
Artifact: Mox Diamond, Lotus Petal, Mana Vault, Grim Monolith, Basalt Monolith, Thran Dynamo, Gilded Lotus, Thought Vessel, Expedition Map, Key to the City, O-Naginata, Haunted Cloak, Helm of the Host, Shadowspear, Sword of Feast and Famine, Aetherflux Reservoir, Cursed Mirror, Winged Boots, Moonsilver Key, Glittering Stockpile
Land: Gemstone Caverns, Wasteland, Cavern of Souls, Desolate Lighthouse, Hanweir Battlements
, Shinka, the Bloodsoaked Keep, Castle Vantress, Izzet Boilerworks, Temple of Epiphany, Spirebluff Canal, Volcanic Island, Urza's Saga, Otawara, Soaring City, Arena of Glory, Hydroelectric Laboratory, Archway of Innovation, Volcanic Fissure, Soporific Springs
Finishers
1 Okaun, Eye of Chaos + Sword of Feast and Famine + Aggravated Assault
Infinite combat phases.
2 Zndrsplt, Eye of Wisdom + Frenetic Efreet + one flash enabler (Vedalken Orrery or Emergence Zone) + Thassa's Oracle
Draw your deck by activating infinite times the efreet's ability, flash Thassa's Oracle and win the game.
3 Zndrsplt, Eye of Wisdom + Frenetic Efreet + at least and Thassa's Oracle in your deck
Draw your deck, cast Chaos Warp targeting your commander before killing yourself, choose to put it in the command zone instead of your library, let resolve the remaining triggers of the efreet and then cast Thassa's Oracle.
4 Zndrsplt, Eye of Wisdom + Frenetic Efreet + Psychosis Crawler
Draw your deck and make every opponent lose life.
5 Zndrsplt, Eye of Wisdom + Frenetic Efreet + Glint-Horn Buccaneer + at least
Draw your deck, get rid of the homunculus with Chaos Warp before killing yourself and damage your opponents discarding your hand during the cleanup step.
6 Zndrsplt, Eye of Wisdom + Frenetic Efreet + Wizard Class
Draw a lot of cards, make one of your creatures really big and swing. With Chaos Warp you can get rid of Zndrsplt before drawing yourself to death... with any flash enabler and Chandra's Ignition you can instantly kill all your opponents... and many other similar combos.
7 Mindslaver + Aetherflux Reservoir + Game of Chaos + one flash enabler (Vedalken Orrery or Emergence Zone)
Play with an opponent controlled by Mindslaver using Game of Chaos and then kill the remaining players using the life gained with it (for details see the "End game with Mindslaver" panel). I think this combo requires too many pieces and too much mana to justify the addition of Aetherflux Reservoir, but you can try it.
8 Final Fortune or Pact of Negation + Sudden Substitution
Really mean way to kill one player, but it doesn't make me flip any coin so I didn't include it in the deck.
9 Fiery Gambit + Radiate + a lot of creatures on the board
Flip A LOT of coins (copying Fiery Gambit for every legal target) and hopefully kill your opponents dealing six damage at least 6/7 times. Fun combo but you need the right context to use it, can be easily stopped (bounce spells, sac outlets to get rid of the targets, creatures with hexproof...) and may be very frustrating for your friends to wait for all your coin flips.