Sharuum the Hegemon | Infinite Reflection

Cards

Infinite Reflection attached to
Sharuum.
You have a way to cause another artifact creature to enter the battlefield under your control.

Cause another artifact creature to enter the battlefield as a copy of
Sharuum.
Put the copy of
Sharuum into your graveyard due to the legend rule.
The copy of
Sharuum's enter-the-battlefield ability triggers, returning an artifact creature from your graveyard to the battlefield as a copy of
Sharuum.
Repeat from step 2.

This combo has been estimated to be Exhibition (Bracket 1+).