Princess Yue | Wormfang Turtle | Phyrexian Metamorph

Cards

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

Cast
Phyrexian Metamorph by paying its mana cost. Choose to have it enter as a copy of
Princess Yue.
Put
Phyrexian Metamorph into your graveyard due to the legend rule.
When
Phyrexian Metamorph 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
Phyrexian Metamorph enters, its first ability triggers, exiling it.
When
Phyrexian Metamorph leaves the battlefield, its second ability triggers, returning
Phyrexian Metamorph 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+).