Princess Yue + Wormfang Newt + Stunt Double

Steps

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