Cast Twinflame by paying {1}{R}, targeting Ardent Elementalist.
Storm-Kiln Artist triggers twice, creating two Treasure artifact tokens.
Resolve Twinflame, creating a token copy of Ardent Elementalist with haste.
When the Ardent Elementalist token enters the battlefield, it triggers, returning Twinflame to your hand from your graveyard.
Activate the Treasures by tapping and sacrificing them, adding {1}{R}.
Repeat.

Infinite creature tokens with haste

Infinite ETB

Infinite magecraft triggers

Infinite storm count

Twinflame

Storm-Kiln Artist

Harmonic Prodigy

Ardent Elementalist

Cast Cloudshift by paying {W}, targeting Ardent Elementalist
Storm-Kiln Artist triggers, creating a Treasure artifact token.
Resolve Cloudshift, blinking Ardent Elementalist
When Ardent Elementalist enters the battlefield, it triggers, returning Cloudshift to your hand from your graveyard.
Activate the Treasure by tapping and sacrificing it, adding {W}.
Repeat.

Infinite LTB

Cloudshift

Cast Twinflame by paying {1}{R}, targeting Ardent Elementalist.
Storm-Kiln Artist and Veyran trigger twice.
Resolve both Veyran triggers, giving it +2/+2 until end of turn.
Resolve both Storm-Kiln Artist triggers, creating two Treasure artifact tokens.
Resolve Twinflame, creating a token copy of Ardent Elementalist with haste.
When the Ardent Elementalist token enters the battlefield, it triggers, returning Twinflame to your hand from your graveyard.
Activate the Treasures by tapping and sacrificing them, adding {1}{R}.
Repeat.

Infinitely large Veyran until end of turn

Veyran, Voice of Duality

Cast Twinflame by paying {1}{R}, targeting Ardent Elementalist.
Storm-Kiln Artist triggers, creating two Treasure artifact tokens.
Resolve Twinflame, creating a token copy of Ardent Elementalist with haste.
When the Ardent Elementalist token enters the battlefield, it triggers, returning Twinflame to your hand from your graveyard.
Activate the Treasures by tapping and sacrificing them, adding {1}{R}.
Repeat.

Xorn

Give Deep-Slumber Titan indestructible, if needed.
Activate Deep-Slumber Titan by tapping it, creating seven 1/1 Elemental creature tokens.
When the Elementals enter the battlefield, Warstorm Surge triggers that many times.
Resolve the first Warstorm Surge trigger, dealing 1 damage to Deep-Slumber Titan.
Deep-Slumber Titan triggers, untapping itself.
Resolve all remaining Warstorm Surge triggers, dealing 6 damage divided among any number of targets.
Repeat from step 2.

Infinite creature tokens

Infinite damage

Deep-Slumber Titan

Elemental Mastery

Warstorm Surge

Cause a creature to enter the battlefield under your control.
Warstorm Surge triggers, dealing damage to an opponent equal to the creature's power.
War Elemental's second ability triggers, putting a +1/+1 counter on itself.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Warstorm Surge triggers.
Holding priority, activate Phyrexian Altar by sacrificing the Servo, adding {1}.
Resolve the Warstorm Surge trigger, dealing 1 damage to an opponent.
Repeat from step 3.

Infinite +1/+1 counters on War Elemental

Infinite death triggers

Infinite sacrifice triggers

Animation Module

War Elemental

Phyrexian Altar

Cause a creature to enter the battlefield under your control.
Warstorm Surge triggers, dealing damage to an opponent equal to the creature's power.
War Elemental's second ability triggers, putting a +1/+1 counter on itself.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Warstorm Surge triggers.
Holding priority, activate Krark-Clan Ironworks by sacrificing the Servo, adding {C}{C}.
Resolve the Warstorm Surge trigger, dealing 1 damage to an opponent.
Repeat from step 3.

Infinite colorless mana

Krark-Clan Ironworks

Cause a creature to enter the battlefield under your control.
Warstorm Surge triggers, dealing damage to an opponent equal to the creature's power.
War Elemental's second ability triggers, putting a +1/+1 counter on itself.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Warstorm Surge triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Servo, adding {C}{C}.
Resolve the Warstorm Surge trigger, dealing 1 damage to an opponent.
Repeat from step 3.

Ashnod's Altar

Activate Havengul Lich by paying {1}, allowing you to cast a Zombie from your graveyard this turn.
Cast the Zombie from your graveyard by paying {0} due to Rooftop Storm.
Activate Warren Soultrader by paying 1 life and sacrificing the Zombie.
When the Zombie dies, Overgrowth Elemental triggers, causing you to gain 1 life
Resolve the Warren Soultrader ability, creating a Treasure token.
Activate the Treasure by tapping and sacrificing it, adding {1}.
Repeat.

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