Princess Yue | Wormfang Turtle

Cards

Synth Infiltrator in hand.
Princess Yue and
Wormfang Turtle on the battlefield (
Princess Yue is not a land).

Cast
Synth Infiltrator by paying its mana cost. Choose to have it enter as a copy of
Princess Yue.
Put
Synth Infiltrator into your graveyard due to the legend rule.
When
Synth Infiltrator dies, it triggers, returning it from your graveyard to the battlefield as a land named Moon. Choose to have it enter as a copy of
Wormfang Turtle, gaining its abilities.
When
Synth Infiltrator enters, its first ability triggers, exiling it.
When
Synth Infiltrator leaves the battlefield, its second ability triggers, returning
Synth Infiltrator from exile to the battlefield. Choose to have it enter as a copy of
Princess Yue.
Repeat from step 2.

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