Jund Cyclone Mill/Beat down (2021 STD) (Standard)

Just what you would expect from Jund. Big hungry creatures, fast adaptive mana, devious painful spells.

Win condition 1: Mill your opponent to death (literally) with Peer into the Abyss/Underworld Dreams. On turn 5!
Turn 1-2: Not important for this combo. Just play either a Forest or a Swamp, and then a Forest or a Swamp.
Turn 3: Play a land that does not come into play tapped and cast Fertile Footsteps, fetching a Swamp.
Turn 4: Play another land that does not come into play tapped and another Fertile Footsteps fetching a Swamp. Just make sure that you have 3 untapped Swamps after Fertile Footsteps resolves. And then play Underworld Dreams.
Turn 5: Play any land that does not come into play tapped, giving you 7 mana (3 of which are Swamps), and Peer into the Abyss.

Win condition 2: Deal damage just for playing a creature. Terror of the Peaks and then Beanstalk Giant for damage equal to the number of lands you have, or escape Polukranos for 12.

Win condition 3: Overrun your opponent's will to live with infinite tokens, while gaining infinite life.
This takes a bit of setup but it is worth it. With Sporeweb Weaver and Terror of the Peaks on the field, cast Heroic Intervention and play any other creature. This triggers Terror of the Peaks. Target Sporeweb Weaver with the damage and get a token, while gaining life. The token triggers Terror of the Peaks again. Target Sporeweb Weaver again. Continue until you have more life than your opponent can get rid of, more tokens than your opponent can get rid of or until your opponent realizes what is about to happen and concedes.

Quick rundown of game play is; A. Cycle to find what you need. B. Mutate to put the cycled card (Unpredictable Cyclone) back into your hand or Escape using Migration Path as fuel. C. Use the giants for fetch land or damage. D. Achieve a win condition.

Points of interest:
Unpredictable Cyclone is, in fact, predictable. When it is on the field, if you cycle Migration Path, you are either going to get Peer into the Abyss, Pestilence Haze or another Migration Path. If you have already used these cards, subtract them from this equation. The same for cycling Unpredictable Cyclone. Since one is already on the field, you are only going to get another Cyclone, Underworld Dreams or Garruk's Uprising. But if you have cycled another one, it comes out of the equation.
Cycling into Peer into the Abyss at the end of your opponents turn (cycling is instant speed) can be quite funny if they have no mana left to play anything. They have to discard everything, which can turn Scavenging Ooze into a beast. It can also be very helpful if you target yourself.
Mutating Polukranos on turn 5 gets you a 4/4 with 6 counters on it. If you cycled Unpredictable Cyclone, it goes back into your hand.