Cast a copy of Rejoinder by paying {1}{W}, targeting the creature with Dual Casting attached.
Storm-Kiln Artist triggers, creating a Treasure token.
Holding priority, activate the Treasure by tapping and sacrificing it, adding {R}.
Activate the creature with Dual Casting attached by paying {R} and tapping it, copying Rejoinder, targeting the creature with Dual Casting attached.
Storm-Kiln Artist triggers, creating a Treasure token.
Resolve the newest copy of Rejoinder, untapping the creature with Dual Casting attached and causing you to draw a card.
Repeat from step 3.

Near-infinite artifact ETB

Near-infinite artifact LTB

Near-infinite artifact sacrifice triggers

Infinite card draw

Infinite draw triggers

Near-infinite magecraft triggers

Elite Interceptor // Rejoinder

Dual Casting

Storm-Kiln Artist

Cast Rejoinder using Party Thrasher's convoke ability by tapping creatures you control.
Displacer Kitten triggers, blinking Elite Interceptor.
When Elite Interceptor enters, Intruder Alarm triggers, untapping all creatures you control.
Repeat.

Near-infinite creature ETB

Near-infinite creature LTB

Near-infinite storm count

Displacer Kitten

Intruder Alarm

Party Thrasher

Cast Rejoinder using Caetus, Sea Tyrant of Segovia's convoke ability by tapping creatures you control.
Displacer Kitten triggers, blinking Elite Interceptor.
When Elite Interceptor enters, Intruder Alarm triggers, untapping all creatures you control.
Repeat.

Invasion of Segovia // Caetus, Sea Tyrant of Segovia

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 Elite Interceptor // Rejoinder, 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.

Infinite creature ETB

Infinite creature LTB

Infinite colored mana

Infinite creature tokens

Infinite death triggers

Infinite magecraft triggers

Infinite creature sacrifice triggers

Infinite storm count

Dovescape

Phyrexian Altar

Cast Rejoinder using Hoarding Broodlord's convoke ability by tapping creatures you control.
Displacer Kitten triggers, blinking Elite Interceptor.
When Elite Interceptor enters, Intruder Alarm triggers, untapping all creatures you control.
Repeat.

Hoarding Broodlord

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