Princess Yue, Wormfang Turtle, and Hulking Metamorph

Prerequisites

• Princess Yue on the battlefield
• Wormfang Turtle on the battlefield
• Hulking Metamorph in hand

Steps

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

Results

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