Yurlok of Scorch Thrash, Thornbite Staff, and Chthonian Nightmare

Prerequisites

• Yurlok of Scorch Thrash on the battlefield
• Thornbite Staff on the battlefield
• Chthonian Nightmare in hand

Steps

1. Activate Yurlok by paying and tapping it, causing each player to add
2. Cast Chthonian Nightmare by paying
3. When it enters the battlefield, it triggers, causing you to get
4. Activate Chthonian Nightmare by paying an amount of , sacrificing an additional nontoken creature, and returning Chthonian Nightmare from the battlefield to your hand
5. When the creature dies, Yurlok triggers, untapping Yurlok
6. Resolve the Chthonian Nightmare trigger, returning another creature from your graveyard to the battlefield
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifeloss
• Infinite energy counters
• Infinite green mana for opponents
• Infinite red mana for opponents
• Infinite black mana for opponents