Cast Go Ninja Go by paying its mana cost, ensuring to choose its first mode.
Holding priority, cast Dualcaster Mage by paying its mana cost.
When Dualcaster Mage enters, it triggers, copying Go Ninja Go, with the copy targeting Dualcaster Mage.
Resolve the copy of Go Ninja Go, blinking Dualcaster Mage.
Repeat from step 3.

Infinite creature ETB

Infinite creature LTB

Infinite magecraft triggers

Dualcaster Mage

Go Ninja Go

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

Infinite blinking

Infinite creature tokens

Preston, the Vanisher

Restoration Angel

Cast Go Ninja Go 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 Go Ninja Go 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 Go Ninja Go.
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.

Infinite blinking of nonland permanents

Infinite storm count

Abdel Adrian, Gorion's Ward

Pinnacle Monk // Mystic Peak

Cast Go Ninja Go 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 the cost of Go Ninja Go.
Resolve the Repository Skaab trigger, returning Go Ninja Go 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 death triggers

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

Infinite creature sacrifice triggers

Repository Skaab

Deal combat damage using a Rogue.
Cast Notorious Throng by paying its prowl cost, taking an extra turn.
Cast Go Ninja Go by paying its mana cost, blinking Scholar of the Ages.
When Scholar of the Ages enters the battlefield, it triggers, returning Notorious Throng and Go Ninja Go from your graveyard to your hand.
Repeat each turn.

Infinite turns

Lock

Scholar of the Ages

Notorious Throng

Combos with "Go Ninja Go"