Cast Settle Beyond Reality by paying its mana cost, blinking Felidar Guardian.
Felidar Guardian and Preston trigger.
Resolve the Felidar Guardian trigger, blinking another permanent you control.
Resolve the Preston trigger, creating a token copy of Felidar Guardian that is a 0/1 Illusion.
When the Felidar Guardian token enters the battlefield, it triggers, blinking the nontoken Felidar Guardian.
Repeat from step 2.

Infinite LTB

Infinite ETB

Infinite creature tokens

Infinite landfall triggers

Infinite blinking of permanents you control

Infinite mana lands you control that enter the battlefield untapped can produce

Exile any number of nonland permanents

Preston, the Vanisher

Felidar Guardian

Settle Beyond Reality

Cast Settle Beyond Reality by paying its mana cost.
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, copying Settle Beyond Reality, with the copy targeting Dualcaster Mage.
Resolve the copy of Settle Beyond Reality, blinking Dualcaster Mage.
Repeat from step 3.

Exile any number of target creatures your opponents control

Infinite magecraft triggers

Dualcaster Mage

Cast Settle Beyond Reality by paying its mana cost, blinking Abdel Adrian.
Abdel Adrian leaves and re-enters the battlefield, causing all cards exiled with it to be returned to the battlefield. Abdel Adrian and Repository Skaab's exploit ability trigger.
Resolve the Repository Skaab trigger, exploiting another creature and triggering its second ability.
Holding priority, activate any number of permanents by tapping them, adding at least [cost].
Resolve the Repository Skaab trigger, returning Settle Beyond Reality from your graveyard to your hand.
Resolve the Abdel Adrian trigger, exiling the mana producing permanent(s) and Repository Skaab and creating that many 1/1 Soldier creature tokens.
Repeat.

Infinite sacrifice triggers

Infinite death triggers

Infinite storm count

Infinite blinking of nonland permanents you control

Infinite mana nonland permanents you control that enter the battlefield untapped can produce

Abdel Adrian, Gorion's Ward

Repository Skaab

Cast Settle Beyond Reality by paying its mana cost, blinking Abdel Adrian.
Abdel Adrian leaves the battlefield, returning Pinnacle Monk and all other cards that were exiled with it to the battlefield.
Abdel Adrian and Pinnacle Monk trigger.
Resolve the Pinnacle Monk trigger, returning Settle Beyond Reality from your graveyard to your hand.
Holding priority, activate any number of nonland permanents you control by tapping them, adding at least enough mana to cast Settle Beyond Reality.
Resolve the Abdel Adrian trigger, exiling Pinnacle Monk and the mana-producing permanents until Abdel Adrian leaves the battlefield, and creating a 1/1 Soldier creature token for each permanent exiled this way.
Repeat.

Pinnacle Monk // Mystic Peak

Cast Surge to Victory by paying {4}{R}{R}, exiling Settle Beyond Reality from your graveyard and giving creatures you control +5/+0 until end of turn.
Declare Aurelia as an attacker.
Aurelia triggers, untapping all creatures you control and causing you to get an additional combat phase after this one.
Deal combat damage to an opponent using Aurelia.
Surge to Victory triggers, casting a copy of Settle Beyond Reality without paying its mana cost.
Resolve Settle Beyond Reality, blinking Aurelia.
Repeat from step 2 each combat phase.
You may also choose both of Settle Beyond Reality's modes to exile any number of creatures opponents control.

Infinite combat damage

Infinite combat phases

Aurelia, the Warleader

Surge to Victory

Cast Walk the Aeons by paying its mana cost, taking an extra turn.
Cast Settle Beyond Reality by paying its mana cost, blinking Scholar of the Ages.
When Scholar of the Ages enters the battlefield, it triggers, returning Walk the Aeons and Settle Beyond Reality from your graveyard to your hand.
Repeat each turn.

Infinite turns

Scholar of the Ages

Walk the Aeons

Combos with "Settle Beyond Reality"