Ghave, Guru of Spores, and Mana Echoes

Prerequisites

• Ghave, Guru of Spores on the battlefield
• Mana Echoes on the battlefield
• available

Steps

1. Activate Ghave's first ability by paying and removing a +1/+1 counter from Ghave, creating a 1/1 Saproling creature token
2. The Saproling enters the battlefield, triggering Mana Echoes, adding at least
3. Activate Ghave's second ability by paying and sacrificing the Saproling, putting a +1/+1 counter on Ghave
4. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers