Activate Viscera Seer by sacrificing Thunderblust.
When Thunderblust dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
Thran Vigil triggers, putting a +1/+1 counter on Thunderblust.
Resolve the Viscera Seer ability.
Repeat.

Infinite ETB

Infinite LTB

Infinite death triggers

Infinite sacrifice triggers

Infinite scry 1

Viscera Seer

Thran Vigil

Thunderblust

Activate Ashnod's Altar by sacrificing Thunderblust.
When Thunderblust dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
Activate Ashnod's Altar by sacrificing Thunderblust.
When Thunderblust dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
Repeat.

Infinite colorless mana

Mikaeus, the Unhallowed

Ashnod's Altar

Activate Goblin Bombardment by sacrificing Thunderblust.
When Thunderblust dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira.
Resolve the Goblin Bombardment ability
Repeat.

Infinite damage

Melira, Sylvok Outcast

Goblin Bombardment

Activate Goblin Bombardment by sacrificing Thunderblust.
When Thunderblust dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies.
Resolve the Goblin Bombardment ability
Repeat.

Vizier of Remedies

Deal combat damage using the persist creature that has Breath of Fury attached.
Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the other persist creature, then causing you to untap all creatures you control and to get an additional combat phase after this one.
When the sacrificed creature dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When the creature enters, Celes's second ability triggers, putting a +1/+1 counter on each creature you control.
Repeat each combat phase.

Infinite +1/+1 counters on creatures you control

Infinite combat damage

Infinite combat phases

Infinite mana creatures you control can produce

Infinite untap of creatures you control

Celes, Rune Knight

Breath of Fury

Rattleblaze Scarecrow

Activate Altar of Dementia by sacrificing Thunderblust
When Thunderblust dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When Thunderblust enters, Stalwart Successor triggers, putting a +1/+1 counter on Thunderblust
Resolve the Altar of Dementia ability.
Repeat.

Infinite mill

Infinite self-mill

Stalwart Successor

Altar of Dementia

Combos with "Thunderblust"