Saheeli Rai + Liquimetal Coating + Mirror Box

Prerequisites

• Saheeli Rai has at least two loyalty counters on it.

Steps

1. 1Activate Liquimetal Coating by tapping it, causing Saheeli Rai to become an artifact until end of turn.
2. 2Activate 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.
3. 3Repeat step 2.

Effects

• Infinite copies of a specific planeswalker