Jaheira, Friend of the Forest, Spawning Pit, The Fire Crystal, and Queen Allenal of Ruadach

Prerequisites

• Jaheira, Friend of the Forest on the battlefield
• Spawning Pit on the battlefield
• The Fire Crystal on the battlefield
• Queen Allenal of Ruadach on the battlefield
• available

Steps

1. Activate Spawning Pit's second ability by paying and removing two charge counters from it, creating two creature tokens Activate the tokens by tapping them, adding
2. Activate Spawning Pit's first ability twice by sacrificing the tokens, putting two charge counters on Spawning Pit
3. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite green mana