Nexus of Fate and Teferi, Hero of Dominaria are teaming up to make waves in Standard, but it was only a matter of time until someone was going to try to make it work in Modern. We've already seen various iterations of the Howling Mine plus Time Warp shell, and both Teferi and Nexus of Fate are powerful inclusions in this deck. This week, a22en has a take on this archetype that might be a strong place to start:

Blue-White Fog | Modern | a22en, 5-0 Modern League

• Creatures (2)
• 2 Snapcaster Mage

• Planeswalkers (6)
• 3 Jace, the Mind Sculptor
• 3 Teferi, Hero of Dominaria

• Instants (13)
• 1 Dawn Charm
• 1 Ethereal Haze
• 1 Holy Day
• 2 Cryptic Command
• 2 Remand
• 3 Angelsong
• 3 Nexus of Fate

• Sorceries (11)
• 3 Time Warp
• 4 Ancestral Vision
• 4 Temporal Mastery

• Enchantments (4)
• 2 As Foretold
• 2 Search for Azcanta

• Lands (24)
• 1 Plains
• 7 Island
• 1 Calciform Pools
• 1 Scalding Tarn
• 2 Celestial Colonnade
• 2 Hallowed Fountain
• 3 Field of Ruin
• 3 Glacial Fortress
• 4 Flooded Strand

• Sideboard (15)
• 3 Damping Sphere
• 2 Dispel
• 4 Leyline of Sanctity
• 2 Negate
• 2 Path to Exile
• 1 Terminus
• 1 Vendilion Clique

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Since it was printed, As Foretold has been a powerful piece of the engine for this deck. Ancestral Vision and cantrips are already cards that you're in the market for, and a card that continues to let you cast card drawing spells and other haymakers for free if you can take enough turns is exactly what this deck wants.

The key innovation here is that this deck has shifted away from cards like Exhaustion and Cryptic Command in favor of Fog effects. This gives you a stronger matchup against decks like Humans and Affinity, but loses points against decks like control and Burn. The idea here is that Teferi is a great play on five-mana, since you can untap enough lands to Fog and protect him. From there, you should be able to easily chain Fogs and Time Warps, particularly with Ancestral Vision and As Foretold helping you keep the cards flowing.

The second big difference between this deck and previous builds is the inclusion of Nexus of Fate. This is exactly the kind of card that this deck has been looking for to make its "loop" closer to deterministic. Time Warp decks have always had the problem that they could draw eight cards over two or three turns and just miss on finding a Time Warp. Nexus of Fate, particularly in conjunction with cards like Teferi, Hero of Dominaria and Azcanta, the Sunken Ruin, helps to ensure that you have a high density of Time Warps in your deck, plenty of ways to dig for them, and that you can spend all your resources on taking extra turns without worrying about decking.