Activate Elspeth's first loyalty ability by putting two loyalty counters on it, creating three 1/1 Soldier creature tokens.
Activate Ashnod's Altar twice by sacrificing two Soldiers, adding {C}{C}{C}{C}.
Activate The Chain Veil by paying {4} and tapping it, allowing an extra activation of your planeswalkers' loyalty abilities this turn.
Activate Teferi's first loyalty ability by putting a loyalty counter on it, untapping The Chain Veil and up to other other creature and/or land you control, and causing you to gain 2 life.
Repeat.

Infinite activations of most planeswalkers

Infinite colorless mana

Infinite creature tokens

Infinite death triggers

Infinite creature ETB

Infinite lifegain

Infinite lifegain triggers

Infinite creature LTB

Infinite mana permanents you control can produce

Infinite creature sacrifice triggers

Infinite untap of creatures and lands you control

The Chain Veil

Ashnod's Altar

Teferi, Who Slows the Sunset

Elspeth, Sun's Champion

Activate Elspeth's first loyalty ability by putting two loyalty counters on it, creating three 1/1 Soldier creature tokens.
Activate Ashnod's Altar twice by sacrificing two Soldiers, adding {C}{C}{C}{C}.
Activate The Chain Veil by paying {4} and tapping it, allowing an extra activation of your planeswalkers' loyalty abilities this turn.
Activate Ral Zarek's first loyalty ability by putting a loyalty counter on it, untapping The Chain Veil.
Repeat.

Ral Zarek

Activate Elspeth's first loyalty ability by putting a loyalty counter on it, creating three 1/1 Soldier creature tokens.
When the Soldiers enter the battlefield, Intruder Alarm triggers, untapping all creatures.
Activate Ashnod's Altar twice by sacrificing two Soldiers, adding {C}{C}{C}{C}.
Activate The Chain Veil by paying {4} and tapping it, allowing an extra activation of your planeswalkers' loyalty abilities this turn.
Activate Aphetto Alchemist by tapping it, untapping The Chain Veil.
Repeat.

Infinite mana creatures you control can produce

Infinite untap of artifacts you control

Infinite untap of creatures

Infinite mana artifacts you control can produce

Aphetto Alchemist

Intruder Alarm

Activate Elspeth's first loyalty ability by putting two loyalty counters on it, creating three 1/1 Soldier creature tokens.
Activate Ashnod's Altar twice by sacrificing two Soldiers, adding {C}{C}{C}{C}.
Activate The Chain Veil by paying {4} and tapping it, allowing an extra activation of your planeswalkers' loyalty abilities this turn.
Activate Kiora by removing zero loyalty counters from it, untapping The Chain Veil.
Repeat.

Carth the Lion

Kiora, Behemoth Beckoner

Combos with "Elspeth, Sun's Champion"