Cast the copy of the spell from exile by paying its mana cost.
When you cast that spell, Molten-Core Maestro, Storm-Kiln Artist, and Displacer Kitten trigger.
Resolve the Displacer Kitten trigger, blinking Sanar, Unfinished Genius, which enters prepared.
Resolve the Molten-Core Maestro trigger, putting a +1/+1 counter on it and adding an amount of {R} equal to its power.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Activate the Treasure token by tapping and sacrificing it, adding the one non-red mana you need to cast the spell from step 1.
Resolve the spell from step 1.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite +1/+1 counters on a creature

Infinite creature ETB

Infinite creature LTB

Infinite magecraft triggers

Infinite red mana

Infinite storm count

Put all instant and sorcery cards from your library into your hand

Displacer Kitten

Molten-Core Maestro

Storm-Kiln Artist

Sanar, Unfinished Genius // Wild Idea

If Sanar isn't prepared, activate Skycoach Waypoint's second ability by paying {3} and tapping it, causing Sanar to become prepared.
If Nexus of Fate is in your library, cast a copy of Wild Idea by paying {3}{U}{R}, searching your library for Nexus of Fate and putting it into your hand.
If Sanar doesn't have summoning sickness, activate it by tapping it, creating a Treasure token. Then, activate the Treasure by tapping and sacrificing it, adding {U}.
Cast Nexus of Fate by paying its mana cost, causing you to take an extra turn after this one and shuffle Nexus of Fate into your library.
Repeat each turn.

Infinite turns

Lock

Skycoach Waypoint

Nexus of Fate

If Nexus of Fate is in your library, cast a copy of Wild Idea by paying {3}{U}{R}, searching your library for Nexus of Fate and putting it into your hand.
If Sanar doesn't have summoning sickness, activate it by tapping it, creating a Treasure token. Then, activate the Treasure by tapping and sacrificing it, adding {U}.
Cast Nexus of Fate by paying its mana cost, causing you to take an extra turn after this one and shuffle Nexus of Fate into your library.
Activate Sanar by paying {1}{U}, blinking Sanar. It'll enter prepared due to its static effect.
When Sanar enters, Deadeye Navigator's soulbond ability triggers, repairing Sanar and Deadeye Navigator.
Repeat each turn.

Deadeye Navigator

Activate Sanar, Unfinished Genius // Wild Idea by tapping it, creating an artifact token.
When the artifact token enters, Fateful Discovery triggers, causing you to draw a card.
Activate Mind Over Matter by discarding a card, untapping Sanar, Unfinished Genius // Wild Idea.
Repeat.

Infinite card draw

Infinite draw triggers

Infinite looting

Near-infinite Treasure tokens

Near-infinite colored mana

Near-infinite artifact ETB

Near-infinite artifact tokens

Mind Over Matter

Fateful Discovery

Cast Wild Idea using Party Thrasher's convoke ability by tapping creatures you control.
Displacer Kitten triggers, blinking Sanar, Unfinished Genius.
When Sanar, Unfinished Genius enters, Intruder Alarm triggers, untapping all creatures you control.
Repeat.

Infinite casts of a specific spell

Intruder Alarm

Party Thrasher

Cast a copy of the prepared spell by paying its mana cost.
When you cast that spell, Displacer Kitten and Dovescape trigger.
Resolve the Dovescape trigger, countering the prepared spell and creating a number of 1/1 flying Bird creature tokens equal to its mana value.
Resolve the Displacer Kitten trigger, blinking Sanar, which enters prepared.
Activate Phyrexian Altar by sacrificing a Bird token, adding one mana of any color.
Repeat step 5 until you have enough mana to cast the prepared spell.
Repeat from step 1

Infinite colored mana

Infinite creature tokens

Infinite death triggers

Infinite creature sacrifice triggers

Dovescape

Phyrexian Altar

Activate an artifact using Sanar, Unfinished Genius // Wild Idea's ability by tapping it, creating a Treasure token.
Repeat step 1 using the Treasure token.

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