Activate Ashnod's Altar by sacrificing Jugan, adding {C}{C}.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding {2}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Repeat.


Infinite +1/+1 counters on most creatures you control

Infinite colored mana

Infinite colorless mana

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Jugan, the Rising Star

Nim Deathmantle

Crystalline Crawler

Ashnod's Altar

Activate Phyrexian Altar by sacrificing Jugan, adding {1}.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Repeat.


Phyrexian Altar

Activate Altar of Dementia by sacrificing Jugan.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Jugan's power.
Repeat.


Infinite mill

Infinite self-mill

Altar of Dementia

Activate Blasting Station by tapping it and sacrificing Jugan.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Jugan enters the battlefield, triggering Blasting Station, untapping Blasting Station.
Resolve the Blasting Station ability from step 1, dealing 1 damage to any target.
Repeat.


Infinite damage

Infinite mana creatures you control can produce

Infinite untap of creatures you control

Blasting Station

At the beginning of your upkeep, Endless Evil triggers, creating a 1/1 copy of Jugan.
Put the token Jugan into your graveyard due to the legend rule.
The token Jugan dies, putting five +1/+1 counters on Sage of Hours.
Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take an extra turn after this one.
Repeat each turn.

Infinite turns

Lock

Sage of Hours

Endless Evil

Activate Goblin Bombardment by sacrificing Jugan.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Resolve the Goblin Bombardment ability from step 1, dealing 1 damage to any target.
Repeat.


Goblin Bombardment

Activate Viscera Seer by sacrificing Jugan.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Resolve the Viscera Seer ability from step 1, causing you to scry 1.
Repeat.


Infinite scry 1

Viscera Seer

Activate Carrion Feeder by sacrificing Jugan.
Jugan dies, triggering itself and Nim Deathmantle.
Resolve the Jugan trigger, putting five +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability three times by removing three +1/+1 counters from it, adding {3}.
Resolve the Nim Deathmantle trigger from step 2, causing you to pay {4} to return Jugan from your graveyard to the battlefield, and attach Nim Deathmantle to it.
Resolve the Carrion Feeder ability from step 1, putting a +1/+1 counter on it.
Repeat.


Combos with "Jugan, the Rising Star"