Princess Yue, Wormfang Newt, and Undercover Operative

Prerequisites

• Princess Yue on the battlefield
• Wormfang Newt on the battlefield
• Undercover Operative in hand
• available

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Infinite landfall triggers