Four-Color Paradoxical Outcome
A Vintage deck, by thepowernine
2nd place at a tournament in Magic Online on 2020-05-31

Maindeck:

Artifacts
1 Black Lotus (Restricted in Vintage)
1 Mana Crypt (Restricted in Vintage)
1 Mana Vault (Restricted in Vintage)
1 Mox Emerald (Restricted in Vintage)
1 Mox Jet (Restricted in Vintage)
1 Mox Pearl (Restricted in Vintage)
1 Mox Ruby (Restricted in Vintage)
1 Mox Sapphire (Restricted in Vintage)
2 Sensei's Divining Top
1 Sol Ring (Restricted in Vintage)

Creatures
1 Monastery Mentor (Restricted in Vintage)
1 Snapcaster Mage

Instants
1 Ancestral Recall (Restricted in Vintage)
1 Brainstorm (Restricted in Vintage)
1 Dig Through Time (Restricted in Vintage)
4 Force of Will
1 Hurkyl's Recall
1 Mental Misstep (Restricted in Vintage)
4 Paradoxical Outcome
2 Pyroblast
1 Repeal
1 Vampiric Tutor (Restricted in Vintage)

Legendary Artifacts
1 Bolas's Citadel
3 Mox Opal

Legendary Creatures
1 Lavinia, Azorius Renegade

Legendary Planeswalkers
1 Narset, Parter of Veils (Restricted in Vintage)
1 Teferi, Time Raveler

Sorceries
1 Demonic Tutor (Restricted in Vintage)
1 Gitaxian Probe (Restricted in Vintage)
1 Merchant Scroll (Restricted in Vintage)
1 Night's Whisper
1 Ponder (Restricted in Vintage)
2 Preordain
1 Time Walk (Restricted in Vintage)
1 Tinker (Restricted in Vintage)
1 Yawgmoth's Will (Restricted in Vintage)

Basic Lands
1 Island

Lands
2 Flooded Strand
2 Misty Rainforest
1 Polluted Delta
2 Tundra
2 Underground Sea
2 Volcanic Island

Legendary Lands
1 Tolarian Academy (Restricted in Vintage)

Sideboard:
4 Tormod's Crypt
2 Flusterstorm
3 Hurkyl's Recall
2 Lightning Bolt
2 Pyroblast
1 Karn, Scion of Urza
1 Island