Activate Bartolomé del Presidio by sacrificing Danitha.
When Danitha dies, Necrogen Communion triggers, returning Danitha from your graveyard to the battlefield tapped.
When Danitha enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Danitha.
Resolve the Bartolomé del Presidio ability, putting a +1/+1 counter on it.
Repeat.

Infinite LTB

Infinite ETB

Infinite sacrifice triggers

Infinite death triggers

Infinite +1/+1 counters on Bartolomé del Presidio

Danitha, Benalia's Hope

Bartolomé del Presidio

Necrogen Communion

Activate Viscera Seer by sacrificing Shepherd of the Cosmos.
When Shepherd of the Cosmos dies, Necrogen Communion triggers, returning Shepherd of the Cosmos from your graveyard to the battlefield.
When Shepherd of the Cosmos enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Shepherd of the Cosmos.
Resolve the Viscera Seer ability, causing you to scry 1.
Repeat.

Infinite scry 1

Shepherd of the Cosmos

Viscera Seer

Activate Viscera Seer by sacrificing Brotherhood Outcast.
When Brotherhood Outcast dies, Necrogen Communion triggers, returning Brotherhood Outcast from your graveyard to the battlefield.
When Brotherhood Outcast enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Brotherhood Outcast.
Resolve the Viscera Seer ability.
Repeat.

Brotherhood Outcast

Activate Phyrexian Altar by sacrificing Iridescent Drake, adding one mana of any color.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Repeat.


Infinite colored mana

Iridescent Drake

Phyrexian Altar

Activate Ashnod's Altar by sacrificing Iridescent Drake, adding {C}{C}.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Repeat.


Infinite colorless mana

Ashnod's Altar

Activate Altar of Dementia by sacrificing Iridescent Drake.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to Iridescent Drake's power.
Repeat.


Infinite mill

Infinite self-mill

Altar of Dementia

Activate Blasting Station by tapping it and sacrificing Iridescent Drake.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it and Blasting Station trigger.
Resolve the Blasting Station trigger, untapping it.
Resolve the Iridescent Drake trigger, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Resolve the Blasting Station ability from step 1, dealing 1 damage to any target.
Repeat.


Infinite damage

Blasting Station

Activate Viscera Seer by sacrificing Iridescent Drake.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Resolve the Viscera Seer ability from step 1, causing you to scry 1.
Repeat.


Activate Carrion Feeder by sacrificing Iridescent Drake.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Resolve the Carrion Feeder ability from step 1, putting a +1/+1 counter on it.
Repeat.


Infinite +1/+1 counters on Carrion Feeder

Carrion Feeder

Activate Goblin Bombardment by sacrificing Iridescent Drake.
When Iridescent Drake dies, Necrogen Communion triggers, returning Iridescent Drake from your graveyard to the battlefield.
When Iridescent Drake enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Iridescent Drake.
Resolve the Goblin Bombardment ability from step 1, dealing 1 damage to any target.
Repeat.


Goblin Bombardment

Activate Ashnod's Altar by sacrificing Heliod, adding {C}{C}.
When Heliod dies, Necrogen Communion triggers, returning Heliod from your graveyard to the battlefield.
When Heliod enters the battlefield, it triggers, returning Necrogen Communion from your graveyard to your hand.
Activate the Treasure by tapping and sacrificing it, adding {B}.
Cast Necrogen Communion by paying {1}{B}, attaching it to Heliod.
Repeat.

Combos with "Necrogen Communion"