Emiel the Blessed, Yurlok of Scorch Thrash, Retreat to Coralhelm, and Ashaya, Soul of the Wild

Prerequisites

• Emiel the Blessed on the battlefield
• Yurlok of Scorch Thrash on the battlefield
• Retreat to Coralhelm on the battlefield
• Ashaya, Soul of the Wild on the battlefield
• You control a nontoken creature that has haste
• Yurlok does not have summoning sickness

Steps

1. Activate the nontoken creature with haste by tapping it, adding
2. Activate Yurlok by paying and tapping it, causing each player to add
3. Activate Emiel by paying , blinking the nontoken creature with haste
4. When the creature enters the battlefield, Retreat to Coralhelm triggers, untapping Yurlok
5. Repeat an arbitrarily large number of times
6. Move to your next step and/or phase, causing each opponent to lose an amount of life equal to the amount of unspent mana they have

Results

• Infinite black mana for opponents
• Infinite ETB
• Infinite green mana for opponents
• Infinite landfall triggers
• Infinite lifeloss
• Infinite LTB
• Infinite red mana for opponents