Activate Saheeli Rai's second loyalty ability by removing two loyalty counters from it, creating a token copy of Felidar Guardian that is an artifact in addition to its other types and has haste.
The Felidar Guardian token enters the battlefield, blinking Saheeli Rai.
Repeat.

Infinite creature tokens with haste

Infinite creature ETB

Saheeli Rai

Felidar Guardian

At the beginning of your combat phase, Saheeli, Radiant Collector triggers, causing you to pay {E}{E}{E} to create a token copy of Saheeli Rai that is a 5/5 artifact creature with haste in addition to its other types.
Move to your postcombat main phase.
Activate the token Saheeli Rai's second ability by removing two loyalty counters from it, creating a token copy of it with haste.
Repeat step 3.

Infinite artifact ETB

Infinite artifact LTB

Infinite creature LTB

Saheeli, Radiant Creator

Activate Saheeli Rai's second loyalty ability by removing two loyalty counters from it, creating a token copy of itself that is an artifact in addition to its other types.
Repeat.

Infinite copies of a specific planeswalker

Encroaching Mycosynth

Mirror Box

Activate Liquimetal Torque's second ability by tapping it, causing Saheeli Rai to become an artifact until end of turn.
Activate Saheeli Rai's second loyalty ability by removing two loyalty counters from it, creating a token copy of itself that is an artifact in addition to its other types.
Repeat step 2.

Liquimetal Torque

Activate Saheeli Rai's -2 loyalty ability, creating a token copy of Magda that is an artifact in addition to its other types.
Put the nontoken Magda into your graveyard due to the legend rule.
Activate Clock of Omens by tapping Clock of Omens and Magda, targeting Magda.
Magda triggers, creating a Treasure token.
Resolve the Clock of Omens ability, untapping Magda.
Activate Clock of Omens by tapping a Treasure token and Magda, targeting Magda.
Repeat from step 4 any number of times.
Activate Magda's last ability any number of times by sacrificing any number of Treasures.

Infinite artifact tokens

Infinite tapped Treasure tokens

Put all artifact cards and a subset of creature cards from your library onto the battlefield

Magda, Brazen Outlaw

Clock of Omens

Mycosynth Lattice

Sakashima of a Thousand Faces

Activate Liquimetal Coating by tapping it, causing Saheeli Rai to become an artifact until end of turn.
Activate Saheeli Rai's second loyalty ability by removing two loyalty counters from it, creating a token copy of itself that is an artifact in addition to its other types.
Repeat step 2.

Liquimetal Coating

Mirror Gallery

Cadric, Soul Kindler

Activate Saheeli Rai's second ability by removing two loyalty counters from it, creating an artifact token copy of Karmic Guide with haste.
When the Karmic Guide token enters the battlefield, it triggers, returning Clever Impersonator from your graveyard to the battlefield as a copy of Saheeli Rai.
Put the original Saheeli Rai into your graveyard from the battlefield with the legend rule.
Activate Clever Impersonator's second ability by removing two loyalty counters from it, creating an artifact token copy of Sun Titan with haste.
When the Sun Titan token enters the battlefield, it triggers, returning Saheeli Rai from your graveyard to the battlefield.
Put Clever Impersonator into your graveyard from the battlefield with the legend rule.
Repeat.

Sun Titan

Karmic Guide

Clever Impersonator

Activate Saheeli Rai's second ability by removing two loyalty counters from it, creating a token copy of Sun Titan with haste.
When the Sun Titan token enters the battlefield, return Mirrormade from your graveyard to the battlefield as a copy of Saheeli Rai.
Put the oldest Saheeli Rai in your graveyard due to the legend rule.
Activate Mirrormade's second ability by removing two loyalty counters from it, creating a token copy of Sun Titan with haste.
When the Sun Titan token enters the battlefield, return Saheeli Rai from your graveyard to the battlefield.
Put the oldest Saheeli Rai in your graveyard due to the legend rule.
Repeat.

Combos with "Saheeli Rai"