Kodama of the East Tree, and Chthonian Nightmare

Prerequisites

• Kodama of the East Tree on the battlefield
• Chthonian Nightmare on the battlefield
• You have a creature card in your graveyard with mana value 2, 3 or 4
• You control a nontoken creature with mana value 2, 3 or 4
• The combined mana value of the nontoken creature and creature card in your graveyard is no more than 6
• You have an amount of available equal to or greater than the mana value of the creature card in your graveyard

Steps

1. Activate Chthonian Nightmare by paying an amount of , sacrificing a creature with mana value 2 or 3, and returning Chthonian Nightmare from the battlefield to your hand, putting another creature with mana value 2 or 3 from your graveyard onto the battlefield
2. When the creature enters, Kodama triggers, putting Chthonian Nightmare from your hand onto the battlefield
3. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite energy counters