Princess Yue + Wormfang Turtle + Flesh Duplicate

Steps

1. Cast Flesh Duplicate by paying its mana cost. Choose to have it enter as a copy of Princess Yue.
2. Put Flesh Duplicate into your graveyard due to the legend rule.
3. When Flesh Duplicate 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.
4. When Flesh Duplicate enters, its first ability triggers, exiling it.
5. When Flesh Duplicate leaves the battlefield, its second ability triggers, returning Flesh Duplicate from exile to the battlefield. Choose to have it enter as a copy of Princess Yue.
6. Repeat from step 2.